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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
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    • Town
    • Universal Building Set
    • Western
    • More Sets
    • Misc
  • USEFUL LINKS
    • Submit Instructions!
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    • New Official Sets
    • New Alternate Builds
    • Minifigs
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    • 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

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

6390 – Back E

February 10, 2023February 10, 2023 Master Builder
6851 – Back A
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6851 – Back A

October 24, 2019October 25, 2021 Master Builder
6982 – Back A
Alternate Builds Exploriens Exploriens Alternate Builds Extra Large Builds 

6982 – Back A

November 9, 2019November 9, 2019 Master Builder
6856 – Back B
Alternate Builds Exploriens Exploriens Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6856 – Back B

December 5, 2022December 7, 2022 Master Builder
8369 – Inside A
Alternate Builds Instructions Added Racers Racers Alternate Builds Radio Control Small Alt Build Small Builds 

8369 – Inside A

November 13, 2024November 13, 2024 Master Builder
1731 – Back B
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

1731 – Back B

April 6, 2020August 1, 2023 Master Builder
194 – Instructions B
Alternate Builds Building Set with People Building Set with People Alternate Builds Instructions Added Small Alt Build Small Builds 

194 – Instructions B

October 6, 2019November 18, 2021 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

1656: Evacuation Team
Classic Town Fire Large Builds Official Sets Town Town Sets 

1656: Evacuation Team

July 22, 2026July 22, 2026 Master Builder

Year Released: 1991BricklinkInstructions

4552: Cargo Crane
9V Large Builds Official Sets Town Train Train Sets 

4552: Cargo Crane

July 22, 2026July 22, 2026 Master Builder

Year Released: 1995InstructionsBricklink

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

NEW ALTERNATE BUILDS ADDED!View All

1656 – Back D
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back D

July 22, 2026July 22, 2026 Master Builder
1656 – Back C
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back C

July 22, 2026July 22, 2026 Master Builder
1656 – Back B
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back B

July 22, 2026July 22, 2026 Master Builder
1656 – Back A
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back A

July 22, 2026July 22, 2026 Master Builder
4552 – Back C
Alternate Builds Large Builds Train Train Alternate Builds 

4552 – Back C

July 22, 2026July 22, 2026 Master Builder
4552 – Back B
Alternate Builds Large Builds Train Train Alternate Builds 

4552 – Back B

July 22, 2026July 22, 2026 Master Builder
4552 – Back A
Alternate Builds Large Builds Train Train Alternate Builds 

4552 – Back A

July 22, 2026July 22, 2026 Master Builder
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

STAR WARSView All

4502 – Back A
Alternate Builds Episode IV/V/VI Extra Large Builds Star Wars Star Wars Alternate Builds 

4502 – Back A

May 15, 2023May 15, 2023 Master Builder

From: 4502: X-wing Fighter (Dagobah)Name: TBDSubmitted by: USERInstructions:

HARRY POTTERView All

4705 – Back B
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4705 – Back B

June 12, 2024June 17, 2024 Master Builder

From: 4705: Snape’s ClassName: Snape’s Laboratory Instructions: View PDF | Download .io File

INSTRUCTIONS ADDEDView All

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

6348 – Back D

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

6367 – Back C

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

6856 – Back C

5521 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Model Team Model Team Alternate Builds 

5521 – Back A

Book 6000 – Page 6-7
Classic Town Idea Book Instructions Added Medium Alt Build Medium Builds Small Alt Build Small Builds Town 

Book 6000 – Page 6-7

6360 – Back D
Alternate Builds Building Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6360 – Back D

6878 – Back A
ABCs Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6878 – Back A

6017 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6017 – Back A

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

894 – Back B

6663 – Back C
Alternate Builds Classic Town Harbor Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6663 – Back C

6851 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6851 – Back C

6335 – Back C
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Race Town Town Alternate Builds 

6335 – Back C

6115 – Back A
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6115 – Back A

6880 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6880 – Back A

4705 – Back A
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Medium Builds Sorcerer's Stone 

4705 – Back A

6844 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6844 – Back A

70008 – Gorilla Mini-Robot
Alternate Builds CHIMA™ CHIMA™ Alternate Builds Instructions Added Medium Builds 

70008 – Gorilla Mini-Robot

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

6012 – Back C

6234 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

6234 – Back C

BrickJournal Issue 6 Volume 2 Page 40 – Proto 5
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 5

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

6846 – Back A

2845 – Back B
Alternate Builds Indians Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

2845 – Back B

6055 – Back A
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Small Alt Build Small Builds 

6055 – Back A

6580 – Back B
Alternate Builds Extreme Team Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6580 – Back B

5510 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds Model Team Model Team Alternate Builds 

5510 – Back A

6375 – Back D
Alternate Builds Cargo Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6375 – Back D

4735 – Back B
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Small Builds 

4735 – Back B

6552 – Back E
Alternate Builds Classic Town Instructions Added Medium Builds Recreation Town Town Alternate Builds 

6552 – Back E

6825 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds 

6825 – Back B

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

6080 – Inside A

Book 250 – Page 22-23
Classic Town Idea Book Instructions Added Small Alt Build Town 

Book 250 – Page 22-23

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

6900 – Back A

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

535 – Back B

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

6071 – Back A

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

6675 – Back D
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6675 – Back D

8593: Makuta
Alternate Instructions Included BIONICLE BIONICLE Sets Instructions Added Medium Alt Build Medium Builds Official Sets Titans 

8593: Makuta

6829 – Back B
Alternate Builds Instructions Added Small Alt Build Small Builds Space UFO UFO Alternate Builds 

6829 – Back B

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

889 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Builds 

889 – Back A

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

6037 – Back B

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

6515 – Back C

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

6881 – Back D

1526 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1526 – Back C

735 – Back A
Alternate Builds Basic Instructions Added Large Alt Build Large Builds LEGOLAND Alternate Builds Universal Building Set Universal Building Set Alternate Builds 

735 – Back A

4720 – Back B
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

4720 – Back B

6669 – Back D
Alternate Builds Classic Town Instructions Added Race Small Alt Build Small Builds Town Town Alternate Builds 

6669 – Back D

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

6823 – Back A

6649 – Back A
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6649 – Back A

4883 – Instructions B
Alternate Builds Designer Sets Designer Sets Alternate Builds Instructions Added Small Alt Build Small Builds 

4883 – Instructions B

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

6841 – Back A

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

6685 – Back B

6387 – Back E
Alternate Builds Classic Town Coast Guard Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6387 – Back E

6716 – Back D
Alternate Builds Cowboys Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

6716 – Back D

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

6881 – Back C

6813 – Back B
Alternate Builds Instructions Added Space Space Police II Space Police II Alternate Builds Very Small Alt Build Very Small Builds 

6813 – Back B

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

6155 – Back C

6641 – Back A
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6641 – Back A

6848 – Back C
Alternate Builds Duplicate Alternate Number Futuron Futuron Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6848 – Back C

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

6027 – Back B

Book 260 – Page 46-47
Blacktron Blacktron Alternate Builds Idea Book Instructions Added Space Space Police I Space Police I Alternate Builds 

Book 260 – Page 46-47

6546 – Back C
Alternate Builds Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6546 – Back C

194 – Back A
Alternate Builds Building Set with People Building Set with People Alternate Builds Instructions Added Small Alt Build Small Builds 

194 – Back A

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

6270 – Back C

6811 – Back B
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Space Very Small Alt Build Very Small Builds 

6811 – Back B

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

6970 – Inside B

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

6955 – Back B

6886 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Space Space Police I Space Police I Alternate Builds 

6886 – Back A

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

6039 – Back B

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

6899 – Back A

Book 6000 – Page 22-23
Classic Town Idea Book Instructions Added Town 

Book 6000 – Page 22-23

7700 – Inside A
Alternate Builds Exo-Force Exo-Force Alternate Builds Instructions Added Medium Builds 

7700 – Inside A

6834 – Back C
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6834 – Back C

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

6386 – Back A

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

6087 – Back B

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

6898 – Back B

6480 – Back A
Alternate Builds Classic Town Fire Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6480 – Back A

6341 – Back D
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6341 – Back D

6265 – Back A
Alternate Builds Imperial Soldiers Instructions Added Pirates Pirates Alternate Builds Pirates I Small Builds 

6265 – Back A

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

6823 – Back B

4702 – Back A
Alternate Builds Harry Potter Harry Potter Alternate Builds Instructions Added Small Alt Build Small Builds Sorcerer's Stone 

4702 – Back A

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

920 – Back A

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

6881 – Back B

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

Book 6000 – Page 76-77

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

6367 – Back B

Book 6000 – Page 60-61
Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 60-61

6354 – Back A
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6354 – Back A

Book 7777 – Page 8-9
Idea Book Instructions Added Large Alt Build Large Builds Race Town Train 

Book 7777 – Page 8-9

4735 – Back A
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Small Builds 

4735 – Back A

Book 6000 – Page 48-49
Classic Town Idea Book Instructions Added Large Alt Build Large Builds Town 

Book 6000 – Page 48-49

6030 – Back B
Alternate Builds Black Falcons Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6030 – Back B

7184 – Instructions 5
Alternate Builds Alternate Instructions Included Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7184 – Instructions 5

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

6877 – Back A

Book 250 – Page 40-41
Castle Castle Alternate Builds Idea Book Instructions Added Medium Alt Build Medium Builds 

Book 250 – Page 40-41

1875 – Back A
Alternate Builds Blacktron Blacktron Alternate Builds Bonus/Value Pack Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1875 – Back A

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

4704 – Back A

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

6885 – Back A

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

6074 – Inside B

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

6985 – Back E

6844 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6844 – Back B

EXPLORE MORE OFFICIAL SETS

1749: Paravane
Aquanauts Aquazone Aquazone Sets Official Sets Very Small Builds 

1749: Paravane

July 26, 2020July 26, 2020 Master Builder

Year Released: 1996InstructionsBricklink

6039: Twin Arm Launcher
Castle Castle Sets Lion Knights Official Sets Small Builds 

6039: Twin Arm Launcher

April 10, 2021April 10, 2021 Master Builder
1761: Paradisa Speedboat
Official Sets Paradisa Town Town Sets Very Small Builds 

1761: Paradisa Speedboat

April 10, 2023April 10, 2023 Master Builder
4032: Passenger Plane
Airport Medium Builds Official Sets Town Town Sets World City 

4032: Passenger Plane

December 29, 2021December 29, 2021 Master Builder
4501: Mos Eisley Cantina
Episode IV/V/VI Medium Builds Official Sets Star Wars Star Wars Sets 

4501: Mos Eisley Cantina

December 29, 2021December 29, 2021 Master Builder
6649: Street Sweeper
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6649: Street Sweeper

July 8, 2022July 8, 2022 Master Builder
8024: Universal Set
Medium Builds Official Sets Technic Technic Sets 

8024: Universal Set

October 20, 2019August 28, 2023 Master Builder
6258: Smuggler’s Shanty
Official Sets Pirates Pirates I Pirates Sets Small Builds 

6258: Smuggler’s Shanty

July 8, 2022July 8, 2022 Master Builder
1665: Duel FX Racers
Official Sets Small Builds Town Town Sets 

1665: Duel FX Racers

April 30, 2024April 30, 2024 Master Builder
6506: Precinct Cruiser
Classic Town Official Sets Police Town Town Sets Very Small Builds 

6506: Precinct Cruiser

July 12, 2021July 12, 2021 Master Builder
1381: Vampire’s Crypt
Medium Builds Official Sets Studio Sets Studios 

1381: Vampire’s Crypt

July 2, 2024July 2, 2024 Master Builder
6037: Witch’s Windship
Castle Castle Sets Fright Knights Official Sets Small Builds 

6037: Witch’s Windship

December 29, 2021December 29, 2021 Master Builder
6414: Dolphin Point
Medium Builds Official Sets Paradisa Town Town Sets 

6414: Dolphin Point

January 14, 2021December 17, 2025 Master Builder
7143: Jedi Starfighter
Episode II Medium Builds Official Sets Star Wars Star Wars Sets 

7143: Jedi Starfighter

December 29, 2021December 29, 2021 Master Builder
8860: Car Chassis (Auto Chassis)
Extra Large Builds Official Sets Technic Technic Sets 

8860: Car Chassis (Auto Chassis)

January 2, 2024January 2, 2024 Master Builder
1723: Castle / Pirates Combi Pack
Bonus/Value Packs Castle Castle Sets Dragon Knights Imperial Guards Official Sets Pirates Pirates I Pirates Sets Small Builds 

1723: Castle / Pirates Combi Pack

March 30, 2026March 30, 2026 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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