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

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 3172 Views

From: 6841: Mineral Detector
Name: TBD
Submitted by: matt_0937
Instructions: View PDF | Download .io File

← 6841: Mineral Detector
6841 – Back B →

You May Also Like

6247 – Back A

May 10, 2022May 10, 2022 Master Builder

1657 – Back C

December 28, 2021December 28, 2021 Master Builder

6398 – Back A

February 19, 2025February 19, 2025 Master Builder

6346 – Back B

November 20, 2023November 29, 2023 Master Builder

6887 – Back B

October 5, 2019October 25, 2021 Master Builder

6925 – Back C

September 25, 2019October 25, 2021 Master Builder

EXPLORE MORE OFFICIAL SETS

Classic Town Extra Large Builds Gas Station Official Sets Town Town Sets Wrecker

6378: Service Station

February 25, 2023February 26, 2023 Master Builder

Year Released: 1986BricklinkInstructions

ABCs Castle Castle Sets Classic Castle Daniel August Krentz Different Set Numbers Duplicate Set Number Extra Large Builds Official Sets

375-2 (6075-2): Castle

November 8, 2019September 5, 2025 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6807: Space Sledge with Astronaut and Robot

November 21, 2023November 21, 2023 Master Builder

Cargo Classic Town Extra Large Builds Official Sets Town Town Sets

6391: Cargo Center

March 13, 2024March 13, 2024 Master Builder

Castle Castle Sets Lion Knights Official Sets Very Small Builds

6021: Jousting Knights

September 25, 2024September 25, 2024 Master Builder

Official Sets Space Port Town Town Sets Very Small Builds

6452: Mini Rocket Launcher

October 3, 2024October 3, 2024 Master Builder

Fire Official Sets Small Builds Town Town Sets World City

7043: Firefighter

January 22, 2024January 22, 2024 Master Builder

Classic Space Classic Space Sets Large Builds Official Sets Space Super Model

1593: Super Model

February 3, 2021March 18, 2024 Master Builder

Medium Builds Official Sets Pirates Pirates I Pirates Sets

6296: Shipwreck Island

January 12, 2022January 12, 2022 Master Builder

Daniel August Krentz Imperial Soldiers Medium Builds Official Sets Pirates Pirates I Pirates Sets

6267: Lagoon Lock-Up

October 11, 2021July 29, 2023 Master Builder

Castle Castle Sets Official Sets Small Builds Wolfpack

6038: Wolfpack Renegades

October 14, 2021October 14, 2021 Master Builder

Exo-Force Medium Builds Official Sets

7704: Sonic Phantom

April 28, 2023April 28, 2023 Master Builder

Castle Castle Sets Knights Kingdom I Official Sets Small Builds

4818: Dragon Rider

October 8, 2024October 8, 2024 Master Builder

Classic Space Classic Space Sets Medium Builds Official Sets

6927: All Terrain Vehicle

October 22, 2019October 22, 2019 Master Builder

Castle Castle Sets Extra Large Builds Niels Milan Pedersen Official Sets Royal Knights

6090: Royal Knight’s Castle

July 13, 2021July 29, 2023 Master Builder

Airport Classic Town Official Sets Small Builds Town Town Sets

6615: Eagle Stunt Flyer

January 5, 2022January 5, 2022 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 © 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.