Skip to content

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

Classic Space Classic Space Sets Official Sets Very Small Builds

6841: Mineral Detector

October 3, 2019October 3, 2019 Master Builder 5420 Views

Year Released: 1980
Bricklink

Back A
Back B
Back C
Back D

← 6881 – Back D
6841 – Back A →

You May Also Like

924 – Bottom B

September 11, 2023September 11, 2023 Master Builder

6847 – Back D

September 14, 2025September 15, 2025 Master Builder

710: Universal Building Set

February 22, 2024February 22, 2024 Master Builder

6985 – Back A

September 28, 2019November 18, 2021 Master Builder

6980 – Back F

July 21, 2021July 21, 2021 Master Builder

7115: Gungan Patrol

January 12, 2021January 12, 2021 Master Builder

EXPLORE MORE OFFICIAL SETS

Classic Town Official Sets Supplemental Town

6347: Monorail Accessory Track

August 27, 2023August 27, 2023 Master Builder

Year Released: 1991Bricklink

Classic Town Official Sets Race Small Builds Town Town Sets

6669: Diesel Daredevil

March 17, 2022March 17, 2022 Master Builder

Official Sets Pirates Pirates I Pirates Sets Very Small Builds

6237: Pirates’ Plunder

February 8, 2022February 8, 2022 Master Builder

9V Large Builds Official Sets Town Train Train Sets

4555: Cargo Station

January 2, 2024January 2, 2024 Master Builder

Alpha Team Alpha Team Sets Medium Builds Mission Deep Sea Official Sets

4789: AT Aquatic Mech

February 12, 2024February 21, 2024 Master Builder

Harry Potter Harry Potter Sets Official Sets Prisoner of Azkaban Small Builds

4751: Harry and the Marauder’s Map

May 16, 2023May 16, 2023 Master Builder

Futron Sets Futuron Medium Builds Official Sets Space

6770: Lunar Transporter Patroller

September 11, 2023September 11, 2023 Master Builder

Jørn Thomsen Official Sets Space Space Police II Space Police II Sets Very Small Builds

6813: Galactic Chief

April 8, 2020July 29, 2023 Master Builder

ABCs Jørn Thomsen Medium Builds Official Sets Spyrius Spyrius Sets

6939: Saucer Centurion

November 9, 2019October 1, 2024 Master Builder

Basic Happy Meal McDonalds Official Sets Polybag Universal Building Set Very Small Builds

1912: Car (Set A, 1)

April 1, 2025April 1, 2025 Master Builder

Belville Belville Sets Lion Knights Official Sets Playhouse Very Small Builds

5810: Vanity Fun

April 10, 2021April 10, 2021 Master Builder

Classic Town Official Sets Small Builds Town Town Sets Traffic

6633: Family Car

April 19, 2021April 19, 2021 Master Builder

Black Knights Castle Castle Sets Official Sets Very Small Builds

6034: Black Monarch’s Ghost

January 16, 2022January 16, 2022 Master Builder

Black Falcons Castle Castle Sets Official Sets Small Builds

6030: Catapult

April 2, 2022April 2, 2022 Master Builder

Medium Builds Official Sets Paradisa Town Town Sets

6405: Sunset Stables

September 15, 2022September 15, 2022 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

886: Space Buggy

January 25, 2024January 25, 2024 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
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 © 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.