Skip to content
Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • Belville
    • Building Set with People
    • Castle
    • Duplo
    • Fabuland
    • Harry Potter
    • Holiday and Event
    • LEGOLAND
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Technic
    • 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

LEGO Magazine

ABCs Classic Town Cool Creations LEGO Magazine Race Town 

Rad Racing Rig

March 22, 2025March 22, 2025 Master Builder 4929 Views

MiscBuild: Rad Racing RigSubmitted By: USERInstructions: *Alternate Build Connection: 1821: Rally Racers LEGO Mania Magazine: March-April 1996 – Page 10US

Read more
ABCs Aquanauts Aquazone Aquazone Alternate Builds Cool Creations LEGO Magazine 

Aqua 5

March 22, 2025March 22, 2025 Master Builder 4965 Views

MiscBuild: Aqua 5Submitted By: USERInstructions: *Alternate Build Connection: 1728 (6145): Crystal Crawler {with Aqua Playscape}, 6175: Crystal Explorer Sub LEGO

Read more
ABCs Cool Creations Exploriens Exploriens Alternate Builds LEGO Magazine Space 

Space Walker

March 22, 2025March 22, 2025 Master Builder 4961 Views

MiscBuild: Space WalkerSubmitted By: USERInstructions: *Alternate Build Connection: 6854: Alien Fossilizer, 6856: Planetary Decoder LEGO Mania Magazine: March-April 1996 –

Read more
ABCs Insectoids Insectoids Alternate Builds LEGO Magazine Space You Can Build This 

RoBo Bug

March 22, 2025March 22, 2025 Master Builder 4990 Views

MiscBuild: RoBo BugSubmitted By: USERInstructions: *Alternate Build Connection: 6909: Sonic Stinger LEGO Mania Magazine: November-December 1998 – Page 18US LEGO

Read more
ABCs Insectoids Insectoids Alternate Builds LEGO Magazine Space You Can Build This 

Space Creeper

March 22, 2025March 22, 2025 Master Builder 4932 Views

MiscBuild: Space CreeperSubmitted By: USERInstructions: *Alternate Build Connection: 6837: Cosmic Creeper (Mantis Scavenger), 6817: Beta Buzzer LEGO Mania Magazine: September-October

Read more
ABCs LEGO Magazine Space UFO UFO Alternate Builds You Can Build This 

Ultimate Alien

March 22, 2025March 22, 2025 Master Builder 4962 Views

MiscBuild: Ultimate AlienSubmitted By: USERInstructions: *Alternate Build Connection: 6900: Cyber Saucer LEGO Mania Magazine: January-February 1998 – Page 5US LEGO

Read more
ABCs LEGO Magazine Space UFO UFO Alternate Builds You Can Build This 

Alien Planet Cruiser II

March 22, 2025March 22, 2025 Master Builder 4909 Views

MiscBuild: Alien Planet Cruiser IISubmitted By: USERInstructions: *Alternate Build Connection: 6836: V-Wing Fighter, 6829: Radon Rover LEGO Mania Magazine: November-December

Read more
ABCs LEGO Magazine Robo Force Robo Force Alternate Builds Space You Can Build This 

Robo Spy

March 22, 2025March 22, 2025 Master Builder 4908 Views

MiscBuild: Robo Spy (Inspired by MECH 2)Submitted By: USERInstructions: *Alternate Build Connection: 2152: Robo Raptor LEGO Mania Magazine: March-April 1997

Read more
Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Space Very Small Alt Build Very Small Builds 

T42

March 9, 2025March 22, 2025 Master Builder 5177 Views

MiscBuild: T42 Instructions: View PDF | Download .io File Also Pictured: Blacktron Time Machine Bricks n Pieces: Spring 1988 – Page 4UK LEGO

Read more
Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Small Alt Build Small Builds Space 

Blacktron Time Machine

March 1, 2025March 22, 2025 Master Builder 5085 Views

MiscBuild: Blacktron Time Machine Instructions: View PDF | Download .io File Also pictured: T42 Bricks n Pieces: Spring 1988 – Page 4UK LEGO

Read more
Concepts and Prototypes LEGO Builders Club LEGO Magazine You Can Build This 

Swinging On A Star

February 6, 2025March 22, 2025 Master Builder 4938 Views

MiscBuild: Would You Like to Swing on a StarSubmitted By: USERInstructions: Also pictured: Islander Mask Brick Kicks: Fall 1994 –

Read more
ABCs Adventurers Adventurers Alternate Builds Concepts and Prototypes Desert You Can Build This 

Desert Buggy

February 6, 2025March 22, 2025 Master Builder 4821 Views

MiscBuild: Desert BuggySubmitted By: USERInstructions: *Alternate Build Connection: 5918: Scorpion Detector LEGO Mania Magazine: May-June 1998 – Page 7US LEGO

Read more
ABCs Concepts and Prototypes Futuron Futuron Alternate Builds LEGO Builders Club LEGO Magazine Space You Can Build This 

Space Sunglasses

February 6, 2025March 22, 2025 Master Builder 4847 Views

MiscBuild: Space SunglassesSubmitted By: USERInstructions: *Alternate Build Connection: 6990: Futuron Monorail Transport System Brick Kicks: Fall 1989 – Page 7US LEGO

Read more
Concepts and Prototypes LEGO Builders Club LEGO Magazine 

Marble Run

February 5, 2025March 22, 2025 Master Builder 4865 Views

MiscBuild: Marble RunSubmitted By: USERInstructions: Bricks n Pieces: Autumn 1987 – Page 10UK LEGO Club Magazine 

Read more
ABCs Concepts and Prototypes Islanders LEGO Builders Club LEGO Magazine Pirates You Can Build This 

Islander Mask

January 26, 2025March 22, 2025 Master Builder 4994 Views

MiscBuild: Islander MaskSubmitted By: USERInstructions: *Alternate Build Connection: Islanders Also pictured: Swinging On A Star Brick Kicks: Fall 1994 –

Read more
ABCs Aquazone Concepts and Prototypes You Can Build This 

Aqua Rover

January 18, 2025March 22, 2025 Master Builder 4932 Views

MiscBuild: Aqua Rover (Inspired by Aqua Cat)Submitted By: USERInstructions: *Alternate Build Connection: 6150: Crystal Detector LEGO Mania Magazine: May-June 1998 –

Read more
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 2169 Views

From: 6544: Shuttle Transcon 2Name: HovercraftInstructions View PDF (LEGO Mania Magazine: September-October 1995 – Page 4) *Alternate Build Connection: 6614: Launch

Read more

EXPLORE MORE OFFICIAL SETS

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

Year Released: 1990Designer: Daniel August KrentzBricklinkInstructions

6249: Pirates Ambush
Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6249: Pirates Ambush

November 16, 2019February 20, 2025 Master Builder
6808: Galaxy Trekkor
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6808: Galaxy Trekkor

January 21, 2021January 21, 2021 Master Builder
5928: Bi-Wing Baron
Adventurers Adventurers Sets Desert Official Sets Small Builds 

5928: Bi-Wing Baron

February 22, 2023February 22, 2023 Master Builder
7257: Ultimate Lightsaber Duel
Episode III Large Builds Official Sets Star Wars Star Wars Sets 

7257: Ultimate Lightsaber Duel

March 1, 2023March 1, 2023 Master Builder
1558: Mobile Command Trailer
Classic Space Classic Space Sets Official Sets Small Builds Space 

1558: Mobile Command Trailer

December 18, 2021December 18, 2021 Master Builder
6931: FX-Star Patroller
ABCs Classic Space Classic Space Sets Medium Builds Official Sets Space 

6931: FX-Star Patroller

January 12, 2021March 20, 2025 Master Builder
375 (6075): Castle
Castle Castle Sets Classic Castle Daniel August Krentz Different Set Numbers Duplicate Set Number Extra Large Builds Official Sets 

375 (6075): Castle

November 8, 2019March 11, 2024 Master Builder
4593: Zero Hurricane & Red Blizzard
Drome Racers Official Sets Racers Small Builds 

4593: Zero Hurricane & Red Blizzard

January 27, 2025February 21, 2025 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
780: Road Construction Set
Hospital LEGOLAND Medium Builds Official Sets 

780: Road Construction Set

February 14, 2024February 14, 2024 Master Builder
6818: Cyborg Scout
Official Sets Small Builds Space UFO UFO Sets 

6818: Cyborg Scout

July 18, 2022July 18, 2022 Master Builder
1593: Super Model
Classic Space Classic Space Sets Large Builds Official Sets Space Super Model 

1593: Super Model

February 3, 2021March 18, 2024 Master Builder
4762: Rescue from the Merpeople
Goblet of Fire Harry Potter Harry Potter Sets Medium Builds Official Sets 

4762: Rescue from the Merpeople

May 16, 2023May 16, 2023 Master Builder
6433: Coast Watch (Coastwatch)
Medium Builds Official Sets Police Town Town Jr Town Sets 

6433: Coast Watch (Coastwatch)

July 10, 2024July 10, 2024 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

BOXES

INSTRUCTIONS

FAVORITES

MINIFIGS

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
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • 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

In Honor of 1526

The classic space set that never was.

Copyright © 2025 Back of the Box Builds. All rights reserved. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize, or endorse this site.