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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

6841 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6841 – Back A

October 3, 2019October 25, 2021 Master Builder
6076 – Back D
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6076 – Back D

January 30, 2024February 6, 2024 Master Builder
371-3 – Bottom A
Airport Alternate Builds LEGOLAND LEGOLAND Alternate Builds Small Builds 

371-3 – Bottom A

October 8, 2024October 8, 2024 Master Builder
1496 – Back D
Alternate Builds Small Builds Town Town Alternate Builds 

1496 – Back D

October 20, 2019October 20, 2019 Master Builder
1702 – Side L
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town 

1702 – Side L

April 8, 2022January 25, 2024 Master Builder
4794 – Back B
Alpha Team Alpha Team Alternate Builds Alternate Builds Medium Builds Mission Deep Sea 

4794 – Back B

February 12, 2024February 21, 2024 Master Builder
6544 – Back A
ABCs Alternate Builds Instructions Added Launch Command LEGO Magazine Small Alt Build Small Builds Town Town Alternate Builds 

6544 – Back A

July 20, 2022February 22, 2025 Master Builder

NEW INSTRUCTIONS ADDED!View All

  • Book 7777 – Page 66-67
    Idea Book Instructions Added Large Alt Build Large Builds Town Train 

    Book 7777 – Page 66-67

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

    4563 – Back A

  • 6900 – Back B
    Alternate Builds Instructions Added Medium Alt Build Medium Builds Space UFO UFO Alternate Builds 

    6900 – Back B

  • 6348 – Back E
    Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

    6348 – Back E

  • 6348 – Back D
    Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Police Town Town Alternate Builds 

    6348 – Back D

Book 7777 – Page 66-67Book 7777 – Page 66-674563 – Back A4563 – Back A6900 – Back B6900 – Back B6348 – Back E6348 – Back E6348 – Back D6348 – Back D

NEW OFFICIAL SETS ADDED!View All

4525: Road and Rail Repair
9V Official Sets Small Builds Town Train Train Sets 

4525: Road and Rail Repair

July 22, 2026July 22, 2026 Master Builder

Year Released: 1994InstructionsBricklink

4536: Blue Hopper Car
9V Medium Builds Official Sets Train Train Sets 

4536: Blue Hopper Car

July 10, 2026July 10, 2026 Master Builder

Year Released: 1991InstructionsBricklink

6470: Mini-dumper
Construction Official Sets Town Town Jr Town Sets Very Small Builds 

6470: Mini-dumper

July 10, 2026July 10, 2026 Master Builder

Year Released: 2000InstructionsBricklink

NEW ALTERNATE BUILDS ADDED!View All

4525 – Back B
Alternate Builds Small Builds Train Train Alternate Builds 

4525 – Back B

July 22, 2026July 22, 2026 Master Builder
4525 – Back A
Alternate Builds Small Builds Train Train Alternate Builds 

4525 – Back A

July 22, 2026July 22, 2026 Master Builder
4536 – Back C
Alternate Builds Medium Builds Train Train Alternate Builds 

4536 – Back C

July 10, 2026July 10, 2026 Master Builder
4536 – Back B
Alternate Builds Medium Builds Train Train Alternate Builds 

4536 – Back B

July 10, 2026July 10, 2026 Master Builder
4536 – Back A
Alternate Builds Medium Builds Train Train Alternate Builds 

4536 – Back A

July 10, 2026July 10, 2026 Master Builder
6470 – Back A
Alternate Builds Construction Town Town Alternate Builds Town Jr Very Small Builds 

6470 – Back A

July 10, 2026July 10, 2026 Master Builder
4557 – Back A
Alternate Builds Medium Builds Train Train Alternate Builds 

4557 – Back A

July 10, 2026July 10, 2026 Master Builder
6423 – Back A
Alternate Builds Town Town Alternate Builds Town Jr Very Small Builds Wrecker 

6423 – Back A

July 10, 2026July 10, 2026 Master Builder
6462 – Back C
Alternate Builds Medium Builds Res-Q Town Town Alternate Builds 

6462 – Back C

July 10, 2026July 10, 2026 Master Builder
6462 – Back B
Alternate Builds Medium Builds Res-Q Town Town Alternate Builds 

6462 – Back B

July 10, 2026July 10, 2026 Master Builder

STAR WARSView All

7140 – Back B
Alternate Builds Large Builds Star Wars Star Wars Alternate Builds 

7140 – Back B

November 10, 2019November 10, 2019 Master Builder

From: 7140: X-wing FighterName: TBDSubmitted by: USERInstructions

HARRY POTTERView All

4707 – Back C
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4707 – Back C

May 26, 2024May 30, 2024 Master Builder

From: 4707: Hagrid’s HutName: A Wizard Windmill Instructions: View PDF | Download .io File

INSTRUCTIONS ADDEDView All

6852 – Back C
Alternate Builds Instructions Added Small Alt Build Small Builds Space Space Police II Space Police II Alternate Builds 

6852 – Back C

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

671 – Back A

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

1785 – Back B

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

550-2 – Back B

6989 – Back A
ABCs Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added M:Tron M:Tron Alternate Builds 

6989 – Back A

6929 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds 

6929 – Back A

6484 – Back A
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6484 – Back A

6931 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6931 – Back B

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

6076 – Back C

6482 – Back C
Alternate Builds Classic Town Hospital Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6482 – Back C

6510 – Back B
Alternate Builds Instructions Added Race Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6510 – Back B

Book 200 – Page 42-43
Castle Castle Alternate Builds Idea Book Instructions Added Small Alt Build Small Builds 

Book 200 – Page 42-43

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

6901 – Back A

6066 – Back A
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds 

6066 – Back A

6386 – Back A
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Police Town Town Alternate Builds 

6386 – Back A

6267 – Back D
Alternate Builds Imperial Soldiers Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6267 – Back D

6363 – Back B
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6363 – Back B

4479 – Back A
Alternate Builds Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

4479 – Back A

1974-4 – Back B
Alternate Builds Bonus/Value Pack Alternate Builds Futuron Futuron Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1974-4 – Back B

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

6668 – Back D

6613 – Back B
Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Traffic Very Small Alt Build Very Small Builds 

6613 – Back B

7250 – Back B
Alternate Builds Episode III Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7250 – Back B

4707 – Back B
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4707 – Back B

Book 6000 – Page 76-77
Castle Castle Alternate Builds Idea Book Instructions Added Small Alt Build 

Book 6000 – Page 76-77

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

550-2 – 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

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

6041 – Back C

6340 – Back B
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6340 – Back B

6881 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6881 – Back B

7140 – Instructions 4
Alternate Builds Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7140 – Instructions 4

6879 – Back A
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Small Alt Build Small Builds 

6879 – Back A

Book 260 – Page 44-45
Blacktron Blacktron Alternate Builds Futuron Futuron Alternate Builds Idea Book Instructions Added Large Alt Build Large Builds M:Tron M:Tron Alternate Builds Space 

Book 260 – Page 44-45

6957 – Back B
ABCs Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Space Police II Space Police II Alternate Builds 

6957 – Back B

7150 – Instructions 2
Alternate Builds Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7150 – Instructions 2

6512 – Back A
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6512 – Back A

6066 – Back B
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds 

6066 – Back B

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

6481 – Back E

6276 – Back A
Alternate Builds Extra Large Alt Build Extra Large Builds Imperial Soldiers Instructions Added Pirates Pirates Alternate Builds Pirates I 

6276 – Back A

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

6808 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6808 – Back C

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

6390 – Back F

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

6390 – Back B

7180 – Instructions 4
Alternate Builds Alternate Instructions Included Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7180 – Instructions 4

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

6594 – Back A

6887 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6887 – Back C

6672 – Back A
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6672 – Back A

6016 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Very Small Alt Build Very Small Builds 

6016 – 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

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

6593 – Back C

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

6799 – Back A

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

6956 – Back B

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

6826 – Back D

7124 – Back B
Alternate Builds Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7124 – Back B

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

6826 – Back C

6955 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Space Space Police I Space Police I Alternate Builds 

6955 – Back A

Book 250 – Page 32-33
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Medium Alt Build Space 

Book 250 – Page 32-33

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

6877 – Back B

6077-2 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Large Alt Build Large Builds 

6077-2 – Back B

6890 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6890 – Back A

6155 – Back D
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Small Alt Build Small Builds 

6155 – Back D

1694 – Back B
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1694 – Back B

1747 – Back B
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

1747 – Back B

6899 – Back B
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6899 – Back B

6712 – Back B
Alternate Builds Cowboys Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

6712 – Back B

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

6085 – Back B

6074 – Inside B
Alternate Builds Castle Castle Alternate Builds Instructions Added Large Alt Build Large Builds 

6074 – Inside B

6698 – Back D
Alternate Builds Classic Town Harbor Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6698 – Back D

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

6018 – Back C

6685 – Back B
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6685 – Back B

6883 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6883 – Back D

Book 260 – Page 34-35
Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Idea Book Instructions Added 

Book 260 – Page 34-35

6190 – Back C
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Large Alt Build Large Builds 

6190 – Back C

6244 – Back A
Alternate Builds Imperial Armada Instructions Added Pirates Pirates Alternate Builds Small Alt Build Small Builds 

6244 – Back A

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

6273 – Back C

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

720 – Inside E

6852 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Space Space Police II Space Police II Alternate Builds 

6852 – Back A

6646 – Back A
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6646 – Back A

4706 – Back C
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4706 – Back C

1793 – Back B
Alternate Builds Instructions Added Large Alt Build Large Builds Space Unitron Unitron Alternate Builds 

1793 – Back B

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

6273 – Back D

Book 7777 – Cover
Idea Book Instructions Added Race Town Train 

Book 7777 – Cover

1787 – Back B
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Unitron Unitron Alternate Builds 

1787 – Back B

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

6258 – Back A

6881 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6881 – Back C

6027 – Back C
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Small Alt Build Small Builds 

6027 – Back C

7779 – Instructions B
Alternate Builds Batman I BATMAN™ BATMAN™ Alternate Builds Instructions Added Medium Alt Build Small Alt Build Small Builds 

7779 – Instructions B

6892 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6892 – Back B

6352 – Back D
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6352 – Back D

6803 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6803 – Back A

6346 – Back D
Airport Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6346 – Back D

6087 – Back B
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Large Alt Build Large Builds 

6087 – Back B

6346 – Back A
Airport Alternate Builds Classic Town Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6346 – Back A

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

1736 – Back A

7101 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7101 – Back A

6086 – Back A
Alternate Builds Black Knights Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6086 – Back A

7143 – Back B
Alternate Builds Episode II Instructions Added Small Alt Build Small Builds Star Wars Star Wars Alternate Builds 

7143 – Back B

6846 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6846 – Back A

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

6648 – Back B

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

894 – Back A

6263 – Back C
Alternate Builds Imperial Guards Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6263 – Back C

EXPLORE MORE OFFICIAL SETS

7310: Mono Jet
Life on Mars Life on Mars Sets Official Sets Very Small Builds 

7310: Mono Jet

April 16, 2021April 16, 2021 Master Builder

Year Released: 2001BricklinkInstructions

6190: Shark’s Crystal Cave
Aquashark Aquazone Aquazone Sets Large Builds Official Sets 

6190: Shark’s Crystal Cave

July 13, 2021January 20, 2022 Master Builder
6693: Recycle Truck
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6693: Recycle Truck

May 10, 2022May 10, 2022 Master Builder
1817: Sea Plane with Hut and Boat
Classic Town Medium Builds Official Sets Recreation Town Town Sets 

1817: Sea Plane with Hut and Boat

January 12, 2022January 12, 2022 Master Builder
1592-2: Town Square – Castle Scene (Dutch Version)
Classic Town Extra Large Builds Official Sets Town Town Sets Traffic 

1592-2: Town Square – Castle Scene (Dutch Version)

October 22, 2021October 22, 2021 Master Builder
7115: Gungan Patrol
Episode I Official Sets Small Builds Star Wars Star Wars Sets 

7115: Gungan Patrol

January 12, 2021April 22, 2026 Master Builder
6623: Police Car
Classic Town Official Sets Police Town Town Sets Very Small Builds 

6623: Police Car

October 13, 2021October 13, 2021 Master Builder
6909: Sonic Stinger with Promotional Mask
ABCs Box Plus Insectoids Insectoids Sets Mask Official Sets Small Builds Space 

6909: Sonic Stinger with Promotional Mask

October 4, 2024March 22, 2025 Master Builder
6392: Airport
ABCs Airport Classic Town Extra Large Builds Official Sets Town Town Sets 

6392: Airport

June 28, 2022August 16, 2023 Master Builder
6846: Tri-Star Voyager
Classic Space Classic Space Sets Official Sets Small Builds 

6846: Tri-Star Voyager

September 26, 2019September 28, 2019 Master Builder
6441: Deep Reef Refuge
Divers Large Builds Official Sets Town Town Sets 

6441: Deep Reef Refuge

November 6, 2019December 29, 2021 Master Builder
6357: Stunt ‘Copter N’ Truck
Classic Town Medium Builds Official Sets Town Town Sets Traffic 

6357: Stunt ‘Copter N’ Truck

January 28, 2022January 28, 2022 Master Builder
6423: Tow-away Truck
Official Sets Town Town Jr Town Sets Very Small Builds Wrecker 

6423: Tow-away Truck

July 10, 2026July 10, 2026 Master Builder
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
4532: Manual Level Crossing
9V Medium Builds Official Sets Town Train Train Sets 

4532: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder
6405: Sunset Stables
Medium Builds Official Sets Paradisa Town Town Sets 

6405: Sunset Stables

September 15, 2022September 15, 2022 Master Builder

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About This Site

Logo
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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