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 Medium Alt Build Medium Builds Space

6931 – Back C

January 12, 2021March 14, 2025 Master Builder 4057 Views

From: 6931: FX-Star Patroller
Name: FX-Star and Surface Scout ¹
Instructions: View PDF | Download .io File

Contributions

Name, PDF, and .io file submitted January 2021 by: Mr.AstonishedRaccoon

← 6931 – Back B
6849: Satellite Patroller →

You May Also Like

6958 – Back C

November 9, 2019November 9, 2019 Master Builder

671 – Back D

October 20, 2019October 25, 2021 Master Builder

6809 – Back C

April 4, 2020April 4, 2020 Master Builder

Encounter at Ice Station Odyssey – Page 2-3

December 14, 2023December 21, 2023 Master Builder

Book 7777 – Page 30-31

May 18, 2024May 21, 2024 Master Builder

Book 250 – Page 2-3

November 8, 2021November 11, 2021 Master Builder

EXPLORE MORE OFFICIAL SETS

Basic Set Duplo Duplo Sets Official Sets Very Small Builds

1657: Bird

December 28, 2021December 29, 2021 Master Builder

Year Released: 1990Bricklink

Official Sets Race Small Builds Town Town Jr Town Sets

6467: Power Pitstop

June 23, 2025June 23, 2025 Master Builder

Bjarne Tveskov Medium Builds Official Sets Space Space Police I Space Police I Sets

6886: Galactic Peace Keeper

April 8, 2020July 29, 2023 Master Builder

Castle Castle Sets Lion Knights Official Sets Very Small Builds

6016: Knight’s Arsenal

October 12, 2021October 12, 2021 Master Builder

Classic Town Official Sets Small Builds Town Town Sets Traffic

6668: Recycle Truck

November 18, 2020November 18, 2020 Master Builder

Classic Town Official Sets Small Builds Town Town Sets Traffic

6590: Vacation Camper

July 8, 2022July 8, 2022 Master Builder

Official Sets Rock Raiders Rock Raiders Sets Small Builds

4950: Loader-Dozer

November 10, 2019December 16, 2019 Master Builder

Aquazone Aquazone Sets Large Builds Official Sets Stingrays

6160: Sea Scorpion

October 29, 2019April 4, 2020 Master Builder

9V Extra Large Builds Official Sets Town Train Train Sets

4561: Railway Express with Transformer and Speed Regulator

January 5, 2026January 5, 2026 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

Building Classic Town Medium Builds Official Sets Town Town Sets

6370: Weekend Home

February 17, 2023February 19, 2023 Master Builder

Classic Town Hospital Official Sets Small Builds Town Town Sets

6666: Ambulance

October 30, 2021October 30, 2021 Master Builder

Classic Town Fire Official Sets Small Builds Town Town Sets

6531: Flame Chaser

November 7, 2022November 7, 2022 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6821: Shovel Buggy (Geological Inspection)

February 17, 2026February 17, 2026 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6820: Starfire I

January 12, 2021January 12, 2021 Master Builder

Box Story Imperial Guards Large Builds Official Sets Pirates Pirates I Pirates Sets

6271: Imperial Flagship

January 6, 2022February 20, 2025 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.