Skip to content

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
THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Alternate Builds Classic Town Fire Town Town Alternate Builds Very Small Builds

6643 – Back C

July 2, 2024July 2, 2024 Master Builder 3602 Views

From: 6643: Fire Truck
Name: TBD
Submitted by: USER
Instructions:

← 6643 – Back B
6643 – Back D →

You May Also Like

6903 – Back B

October 4, 2024October 4, 2024 Master Builder

6390 – Back A

February 10, 2023February 10, 2023 Master Builder

6542 – Back F

November 20, 2023November 29, 2023 Master Builder

4940 – Back A

April 4, 2020April 4, 2020 Master Builder

7180 – Instructions 3

April 21, 2026April 21, 2026 Master Builder

6595 – Back D

April 9, 2020April 9, 2020 Master Builder

EXPLORE MORE OFFICIAL SETS

ABCs Jørn Thomsen Medium Builds Official Sets Space Space Police II Space Police II Sets

6897: Rebel Hunter

January 23, 2022February 11, 2025 Master Builder

Year Released: 1992Designer: Jørn ThomsenBricklinkInstructions *Alternate Build Connection: RTron

Castle Castle Sets Lion Knights Medium Builds Official Sets

6060: Knight’s Challenge

July 2, 2024October 1, 2024 Master Builder

Life on Mars Life on Mars Sets Official Sets Very Small Builds

7300 (1414, 7308, Kabaya: Life On Mars 1): Double Hover

February 24, 2025February 25, 2025 Master Builder

Building Classic Town Medium Builds Official Sets Town Town Sets

6360: Weekend Cottage

October 19, 2019April 4, 2020 Master Builder

Extra Large Builds Goblet of Fire Harry Potter Harry Potter Sets Official Sets

4766: Graveyard Duel

May 16, 2023December 16, 2025 Master Builder

Basic Set Duplo Duplo Sets Official Sets Very Small Builds

1657: Bird

December 28, 2021December 29, 2021 Master Builder

Box Plus FreeStyle FreeStyle Official Sets Official Sets Poster Small Builds

4150: FreeStyle Building Set

December 17, 2025December 17, 2025 Master Builder

Classic Space Classic Space Sets Medium Builds Official Sets Space

6928: Uranium Search Vehicle

January 12, 2021October 21, 2024 Master Builder

Chamber of Secrets Extra Large Builds Harry Potter Harry Potter Sets Official Sets

4730: The Chamber of Secrets

January 23, 2024January 23, 2024 Master Builder

Box Story Large Builds Official Sets Pirates Pirates I Pirates Sets

6273: Rock Island Refuge

July 4, 2024July 4, 2024 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6802: Space Probe

October 10, 2022October 10, 2022 Master Builder

Classic Town Official Sets Small Builds Town Town Sets Traffic

6699: Cycle Fix-It Shop

October 28, 2025October 28, 2025 Master Builder

Classic Town Harbor Official Sets Town Town Sets Very Small Builds Wrecker

1632: Motor Boat

July 25, 2024July 25, 2024 Master Builder

Castle Castle Sets Forestmen Large Builds Official Sets

6077-2: Forestmen’s River Fortress

April 19, 2021February 2, 2022 Master Builder

Divers Extra Large Builds Official Sets Town Town Sets

6560: Diving Expedition Explorer

April 3, 2022April 3, 2022 Master Builder

Basic Official Sets Universal Building Set Very Small Builds

1965: Basic Building Set

March 6, 2026March 6, 2026 Master Builder

BOXES

INSTRUCTIONS

FAVORITES

MINIFIGS

About This Site

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

In Honor of 1526

The classic space set that never was.

Copyright © 2026 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.