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Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • Belville
    • BATMAN™
    • BIONICLE
    • Building Set with People
    • Castle
    • Duplo
    • Fabuland
    • Harry Potter
    • Holiday and Event
    • LEGOLAND
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Technic
    • Train
    • Town
    • Universal Building Set
    • Western
    • More Sets
    • Misc
  • USEFUL LINKS
    • Submit Instructions!
    • New Instructions
    • New Official Sets
    • New Alternate Builds
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
    • How BOTBB was Built
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

BACK OF THE BOX BUILDS

6901 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6901 – Back C

August 28, 2023March 14, 2025 Master Builder
6381 – Back D
Alternate Builds Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6381 – Back D

February 15, 2023February 19, 2023 Master Builder
6848 – Back B
Alternate Builds Duplicate Alternate Number Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6848 – Back B

April 16, 2021March 11, 2024 Master Builder
6542 – Back C
Alternate Builds Classic Town Harbor Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6542 – Back C

November 20, 2023November 29, 2023 Master Builder
6335 – Back C
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Race Town Town Alternate Builds 

6335 – Back C

December 22, 2023January 1, 2024 Master Builder
1785 – Back C
Alternate Builds Instructions Added Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds Unitron Unitron Alternate Builds 

1785 – Back C

April 8, 2022May 10, 2022 Master Builder
6348 – Back F
Alternate Builds Classic Town Medium Builds Police Town Town Alternate Builds 

6348 – Back F

June 23, 2026June 23, 2026 Master Builder

NEW INSTRUCTIONS ADDED!View All

  • 5938 – Back B
    Adventurers Adventurers Alternate Builds Alternate Builds Desert Instructions Added Small Alt Build Small Builds 

    5938 – Back B

  • 6665 – Back C
    Alternate Builds Classic Town Instructions Added Recreation Small Alt Build Small Builds Town Town Alternate Builds 

    6665 – Back C

  • 6665 – Back B
    Alternate Builds Classic Town Instructions Added Recreation Small Alt Build Small Builds Town Town Alternate Builds 

    6665 – Back B

  • 6665 – Back A
    Alternate Builds Classic Town Instructions Added Recreation Small Alt Build Small Builds Town Town Alternate Builds 

    6665 – Back A

  • 6615 – Back D
    Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

    6615 – Back D

5938 – Back B5938 – Back B6665 – Back C6665 – Back C6665 – Back B6665 – Back B6665 – Back A6665 – Back A6615 – Back D6615 – Back D

NEW OFFICIAL SETS ADDED!View All

369: Coast Guard Station
Coast Guard LEGOLAND Medium Builds Official Sets 

369: Coast Guard Station

October 26, 2026October 26, 2026 Master Builder

Year Released: 1976BricklinkInstructions

361-2: Garage
Classic Town Official Sets Small Builds Town Town Sets Traffic 

361-2: Garage

October 26, 2026October 26, 2026 Master Builder

Year Released: 1979BricklinkInstructions

385: Jeep CJ-5
LEGOLAND Official Sets Small Builds Vehicles 

385: Jeep CJ-5

October 26, 2026October 26, 2026 Master Builder

Year Released: 1976BricklinkInstructions

NEW ALTERNATE BUILDS ADDED!View All

369 – Bottom A
Alternate Builds Coast Guard Illegal Building Techniques LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Bottom A

October 26, 2026October 26, 2026 Master Builder
369 – Back F
Alternate Builds Coast Guard Illegal Building Techniques LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back F

October 26, 2026October 26, 2026 Master Builder
369 – Back E
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back E

October 26, 2026October 26, 2026 Master Builder
369 – Back D
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back D

October 26, 2026October 26, 2026 Master Builder
369 – Back C
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back C

October 26, 2026October 26, 2026 Master Builder
369 – Back B
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back B

October 26, 2026October 26, 2026 Master Builder
369 – Back A
Alternate Builds Coast Guard LEGOLAND LEGOLAND Alternate Builds Small Builds 

369 – Back A

October 26, 2026October 26, 2026 Master Builder
361-2 – Back E
Alternate Builds Classic Town Small Builds Town Town Alternate Builds Traffic 

361-2 – Back E

October 26, 2026October 26, 2026 Master Builder
361-2 – Back D
Alternate Builds Classic Town Small Builds Town Town Alternate Builds Traffic 

361-2 – Back D

October 26, 2026October 26, 2026 Master Builder
361-2 – Back C
Alternate Builds Classic Town Small Builds Town Town Alternate Builds Traffic 

361-2 – Back C

October 26, 2026October 26, 2026 Master Builder

STAR WARSView All

7110 – Back A
Alternate Builds Episode IV/V/VI Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7110 – Back A

June 21, 2022August 1, 2023 Master Builder

From: 7110: LandspeederName: Landlaggard Instructions: View PDF | Download .io File

HARRY POTTERView All

4726 – Back A
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Small Builds 

4726 – Back A

February 27, 2023February 27, 2023 Master Builder

From: 4726: Quidditch PracticeName: TBDSubmitted by: USERInstructions:

INSTRUCTIONS ADDEDView All

4709 – Back B
Alternate Builds Extra Large Builds Harry Potter Harry Potter Alternate Builds Instructions Added Sorcerer's Stone 

4709 – Back B

550-2 – Back D
Alternate Builds Building Instructions Added LEGOLAND LEGOLAND Alternate Builds Medium Alt Build Medium Builds 

550-2 – Back D

6823 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6823 – Back B

6021 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6021 – Back C

6367 – Back C
Alternate Builds Cargo Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6367 – Back C

6076 – Back B
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6076 – Back B

6381 – Back D
Alternate Builds Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6381 – Back D

6542 – Back A
Alternate Builds Classic Town Extra Large Alt Build Extra Large Builds Harbor Instructions Added Town Town Alternate Builds 

6542 – Back A

6085 – Back C
Alternate Builds Black Knights Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6085 – Back C

928 – Back G
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

928 – Back G

Book 6000 – Page 62-63
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Medium Alt Build Space 

Book 6000 – Page 62-63

6885 – Back B
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6885 – Back B

Airport Alternate Builds Classic Town Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6346 – Back A

6067 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Medium Alt Build Medium Builds 

6067 – Back B

4708 – Back C
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Large Alt Build Large Builds Sorcerer's Stone 

4708 – Back C

Book 6000 – Page 10-11
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 10-11

6060 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Medium Alt Build Medium Builds 

6060 – Back B

6071 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6071 – Back C

6270 – Back D
Alternate Builds Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6270 – Back D

6273 – Back C
Alternate Builds Instructions Added Large Alt Build Large Builds Pirates Pirates Alternate Builds Pirates I 

6273 – Back C

6593 – Back C
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6593 – Back C

6381 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6381 – Back A

6509 – Back A
Alternate Builds Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6509 – Back A

6824 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6824 – Back B

6877 – Back A
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

6877 – Back A

4704 – Back B
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4704 – Back B

6825 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Builds 

6825 – Back C

Rtron
Concepts and Prototypes Instructions Added Medium Alt Build Medium Builds R-TRON R:Tron Space 

Rtron

6481 – Back C
Alternate Builds Classic Town Construction Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6481 – Back C

6831 – Back C
Alternate Builds Instructions Added Space Space Police I Space Police I Alternate Builds Very Small Alt Build Very Small Builds 

6831 – Back C

1916 (3015) – Back B
Alternate Builds Instructions Added Space Space Police II Space Police II Alternate Builds Very Small Alt Build Very Small Builds 

1916 (3015) – Back B

Book 6000 – Page 50-51
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 50-51

1499 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1499 – Back B

6933 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6933 – Back C

6373 – Back C
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds Traffic 

6373 – Back C

6018 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6018 – Back C

6067 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Large Alt Build Large Builds Lion Knights 

6067 – Back A

1785 – Back C
Alternate Builds Instructions Added Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds Unitron Unitron Alternate Builds 

1785 – Back C

6949 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Space Spyrius Spyrius Alternate Builds 

6949 – Back A

6039 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6039 – Back C

6781 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police I Space Police I Alternate Builds 

6781 – Back B

6799 – Back B
Alternate Builds Cowboys Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

6799 – Back B

1736 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Very Small Alt Build Very Small Builds 

1736 – Back C

6884 – Back D
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6884 – Back D

7161 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7161 – Back A

6615 – Back D
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6615 – Back D

6898 – Back A
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6898 – Back A

4592 – Back B
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Small Alt Build Very Small Alt Build Very Small Builds 

4592 – Back B

6985 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space 

6985 – Back A

6257 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6257 – Back C

6515 – Back C
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6515 – Back C

6258 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6258 – Back C

6043 – Back B
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6043 – Back B

6085 – Inside B
Alternate Builds Black Knights Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6085 – Inside B

Book 260 – Page 42-43
Blacktron Alternate Builds Extra Large Builds Idea Book Instructions Added M:Tron Alternate Builds Small Alt Build Space Space Police I Alternate Builds 

Book 260 – Page 42-43

6506 – Back B
Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6506 – Back B

6901 – Back E
ABCs Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6901 – Back E

720 – Instructions B
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

720 – Instructions B

920 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

920 – Back B

6594 – Back A
Alternate Builds Classic Town Gas Station Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6594 – Back A

4720 – Back A
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Medium Alt Build Medium Builds 

4720 – Back A

6740 – Back B
Alternate Builds Alternate Instructions Included Instructions Added Island Xtreme Stunts Island Xtreme Stunts Alternate Builds Medium Alt Build Medium Builds 

6740 – Back B

6826 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6826 – Back B

6814 – Back B
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6814 – Back B

6080 – Inside A
Alternate Builds Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6080 – Inside A

6270 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6270 – Back B

6037 – Back A
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Small Alt Build Small Builds 

6037 – Back A

6666 – Back A
Alternate Builds Classic Town Hospital Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6666 – Back A

6430 – Back C
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6430 – Back C

6833 – Back A
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Space Very Small Alt Build Very Small Builds 

6833 – Back A

6827 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6827 – Back A

6257 – Back A
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6257 – Back A

1731 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1731 – Back C

6542 – Back F
Alternate Builds Classic Town Harbor Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6542 – Back F

6048 – Back A
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6048 – Back A

7725 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Train Train Alternate Builds 

7725 – Back A

6012 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Very Small Alt Build Very Small Builds 

6012 – Back C

720 – Inside C
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

720 – Inside C

6872 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6872 – Back C

6668 – Back B
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6668 – Back B

6552 – Back C
Alternate Builds Classic Town Instructions Added Recreation Town Town Alternate Builds Very Small Builds 

6552 – Back C

6664 – Back D
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6664 – Back D

6856 – Back C
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6856 – Back C

6956 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds M:Tron M:Tron Alternate Builds Space 

6956 – Back A

6041 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6041 – Back B

6970 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6970 – Back C

6938 – Back C
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6938 – Back C

BrickJournal Issue 6 Volume 2 Page 40 – Proto 4
ABCs Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

BrickJournal Issue 6 Volume 2 Page 40 – Proto 4

6390 – Back F
Alternate Builds Classic Town Extra Large Alt Build Extra Large Builds Instructions Added Town Town Alternate Builds Traffic 

6390 – Back F

6666 – Back B
Alternate Builds Classic Town Hospital Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6666 – Back B

6896 – Back B
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

6896 – Back B

6736 – Back B
Alternate Builds Alternate Instructions Included Instructions Added Island Xtreme Stunts Island Xtreme Stunts Alternate Builds Medium Alt Build Medium Builds 

6736 – Back B

Book 6000 – Page 14-15
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 14-15

6970 – Inside B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6970 – Inside B

1680 – Back C
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Very Small Alt Build Very Small Builds 

1680 – Back C

4563 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Train Train Alternate Builds 

4563 – Back A

6076 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6076 – Back C

6861 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6861 – Back C

7161 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7161 – Back B

6648 – Back C
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6648 – Back C

EXPLORE MORE OFFICIAL SETS

6027: Bat Lord’s Catapult
Castle Castle Sets Fright Knights Official Sets Small Builds 

6027: Bat Lord’s Catapult

January 28, 2022January 28, 2022 Master Builder

Year Released: 1997BricklinkInstructions

4726: Quidditch Practice
Chamber of Secrets Harry Potter Harry Potter Sets Medium Builds Official Sets 

4726: Quidditch Practice

February 27, 2023February 27, 2023 Master Builder
6081: King’s Mountain Fortress
Castle Castle Sets Crusaders Daniel August Krentz Extra Large Builds Official Sets 

6081: King’s Mountain Fortress

June 30, 2022July 29, 2023 Master Builder
6821: Shovel Buggy (Geological Inspection)
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6821: Shovel Buggy (Geological Inspection)

February 17, 2026February 17, 2026 Master Builder
6923: Particle Ionizer
ABCs M:Tron M:Tron Sets Medium Builds Official Sets 

6923: Particle Ionizer

October 1, 2019August 13, 2023 Master Builder
6480: Hook and Ladder Truck
Classic Town Fire Medium Builds Official Sets Town Town Sets 

6480: Hook and Ladder Truck

July 8, 2022July 8, 2022 Master Builder
7783: The Batcave: The Penguin and Mr. Freeze’s Invasion
Batman I BATMAN™ BATMAN™ Sets Extra Large Builds Official Sets 

7783: The Batcave: The Penguin and Mr. Freeze’s Invasion

March 27, 2026March 27, 2026 Master Builder
6881: Lunar Rocket Launcher
Classic Space Classic Space Sets Official Sets Small Builds 

6881: Lunar Rocket Launcher

October 2, 2019October 2, 2019 Master Builder
1737: Scorpion Detector (Limited Edition)
Box Plus Different Box Versions Exploriens Exploriens Sets Medium Builds Official Sets 

1737: Scorpion Detector (Limited Edition)

March 5, 2026March 5, 2026 Master Builder
6376: Breezeway Cafe
Classic Town Food and Drink Medium Builds Official Sets Town Town Sets 

6376: Breezeway Cafe

February 3, 2021February 3, 2021 Master Builder
8957: Mine Mech
Official Sets Power Miners Power Miners Sets Small Builds 

8957: Mine Mech

March 27, 2026March 27, 2026 Master Builder
6613: Telephone Booth
Classic Town Official Sets Town Town Sets Traffic Very Small Builds 

6613: Telephone Booth

November 6, 2024November 6, 2024 Master Builder
6699: Cycle Fix-It Shop
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6699: Cycle Fix-It Shop

October 28, 2025October 28, 2025 Master Builder
6870: Space Probe Launcher
Classic Space Classic Space Sets Official Sets Small Builds Space 

6870: Space Probe Launcher

January 12, 2021January 12, 2021 Master Builder
1382: Scary Laboratory
Extra Large Builds Official Sets Studio Sets Studios 

1382: Scary Laboratory

August 10, 2026August 10, 2026 Master Builder
6900: Cyber Saucer
ABCs Large Builds Official Sets Space UFO UFO Sets 

6900: Cyber Saucer

October 2, 2024March 22, 2025 Master Builder

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About This Site

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There were once pictures of additional LEGO® builds on the back of set boxes. Written on the boxes was typically something about the endless building possibilities, "Build any of these exciting models with this set!" There were no instructions for these alternate builds, until now.

Sets

  • Adventurers
  • Aquazone
  • BATMAN
  • Bionicle
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • Train
  • Town
  • Universal Building Set
  • Western
  • More Sets
  • Misc

Useful Links

  • Submit Instructions!
  • New Instructions
  • New Official Sets
  • New Alternate Builds
  • Minifigs
  • Very Small Builds (<35 pcs)
  • Small Builds (<100 pcs)
  • Medium Builds (<200 pcs)
  • Large Builds (<400 pcs)
  • Extra Large Builds (>400 pcs)
  • How BOTBB was Built

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The classic space set that never was.

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