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 Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space

6931 – Back C

January 12, 2021March 14, 2025 Master Builder 5030 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

7190 – Back B

November 14, 2019November 14, 2019 Master Builder

1978 – Back A

April 28, 2023April 28, 2023 Master Builder

926 – Back A

October 22, 2019October 13, 2021 Master Builder

6660 – Back A

June 23, 2025June 23, 2025 Master Builder

5935 – Back C

April 21, 2025April 21, 2025 Master Builder

775 – Back A

July 22, 2024July 22, 2024 Master Builder

EXPLORE MORE OFFICIAL SETS

Insectoids Insectoids Sets Large Builds Official Sets

6977: Arachnoid Star Base

November 9, 2019November 9, 2019 Master Builder

Year Released: 1998Bricklink

Classic Town Medium Builds Official Sets Race Town Town Sets

6334: Wave Jump Racers

June 27, 2022June 27, 2022 Master Builder

Castle Castle Sets Dark Forest Official Sets Small Builds

6024: Bandit Ambush

April 16, 2021April 16, 2021 Master Builder

Episode II Medium Builds Official Sets Star Wars Star Wars Sets

7143: Jedi Starfighter

December 29, 2021December 29, 2021 Master Builder

Box Plus Different Box Versions Official Sets Playscape/Play Stage Box Small Builds Time Cruisers Time Cruisers Sets

6499: Time Tunnelator with Time Machine

March 5, 2026March 5, 2026 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

Adventurers Adventurers Sets Box Story Extra Large Builds Jungle Official Sets

5986: Amazon Ancient Ruins

October 29, 2019April 3, 2024 Master Builder

BIONICLE BIONICLE Sets Extra Large Builds Official Sets Playsets

8927: Toa Terrain Crawler

March 3, 2026March 3, 2026 Master Builder

Dino Attack Official Sets Small Builds

7474: Urban Avenger vs. Raptor

April 27, 2023April 27, 2023 Master Builder

Harry Potter Harry Potter Sets Large Builds Official Sets Sorcerer's Stone

4707: Hagrid’s Hut

December 29, 2021December 29, 2021 Master Builder

Basic Set Duplo Duplo Sets Official Sets Very Small Builds

2333: Animal

May 16, 2023May 16, 2023 Master Builder

Classic Town Hospital Medium Builds Official Sets Town Town Sets

6356: Med-Star Rescue Plane

March 16, 2022March 16, 2022 Master Builder

Classic Town Official Sets Police Town Town Sets Very Small Builds

6506: Precinct Cruiser

July 12, 2021July 12, 2021 Master Builder

Castle Castle Sets Official Sets Royal Knights Small Builds

6036: Skeleton Surprise

February 28, 2023February 28, 2023 Master Builder

Bjarne Tveskov Different Box Versions Futron Sets Futuron Official Sets Small Builds

6884: Aero-Module

September 24, 2019March 17, 2024 Master Builder

ABCs Classic Space Classic Space Sets Large Builds Official Sets

6952: Solar Power Transporter

September 22, 2019March 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
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.