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
- Town
- Universal Building Set
- Western
- More Sets
- Misc
USEFUL LINKS
THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Airport Alternate Builds LEGOLAND LEGOLAND Alternate Builds Small Builds

371-3 – Bottom A

October 8, 2024October 8, 2024 Master Builder 3543 Views

From: 371: Seaplane
Name: TBD
Submitted by: USER
Instructions

← 371-3 – Top B
4818: Dragon Rider →

You May Also Like

720 – Inside C

February 8, 2024February 9, 2024 Master Builder

6264 – Back A

August 31, 2022September 16, 2022 Master Builder

6387 – Back D

July 15, 2022July 15, 2022 Master Builder

7474 – Back A

April 27, 2023April 27, 2023 Master Builder

6017 – Back C

September 24, 2024September 24, 2024 Master Builder

5925: Pontoon Plane

March 5, 2026March 5, 2026 Master Builder

EXPLORE MORE OFFICIAL SETS

Large Builds Official Sets Star Wars Star Wars Sets

7140: X-wing Fighter

November 10, 2019April 21, 2026 Master Builder

Year Released: 1999BricklinkInstructions

Large Builds LEGOLAND Official Sets Space

565: Moon Landing

July 11, 2024July 11, 2024 Master Builder

Official Sets Paradisa Town Town Sets Very Small Builds

1761: Paradisa Speedboat

April 10, 2023April 10, 2023 Master Builder

ABCs Exo-Force Medium Builds Official Sets

7701: Grand Titan

March 26, 2026March 26, 2026 Master Builder

ABCs Classic Town Official Sets Small Builds Town Town Sets Traffic

6655: Auto & Tire Repair

June 4, 2023July 31, 2023 Master Builder

Black Knights Castle Castle Sets Official Sets Very Small Builds

6009: Black Knight

April 9, 2020April 9, 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

Classic Town Large Builds Official Sets Recreation Town Town Sets

6552: Rocky River Retreat

July 15, 2022July 15, 2022 Master Builder

Official Sets Race Town Town Sets Very Small Builds

6510: Mud Runner

May 8, 2022May 8, 2022 Master Builder

Castle Castle Sets Lion Knights Official Sets Small Builds

6017: King’s Oarsman

September 24, 2024September 24, 2024 Master Builder

Exo-Force Medium Builds Official Sets

8114: Chameleon Hunter

December 12, 2025January 6, 2026 Master Builder

ABCs Classic Space Classic Space Sets Medium Builds Official Sets Space

6931: FX-Star Patroller

January 12, 2021March 20, 2025 Master Builder

Classic Town Medium Builds Official Sets Recreation Town Town Sets

6359: Horse Trailer

October 8, 2024October 8, 2024 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6802: Space Probe

October 10, 2022October 10, 2022 Master Builder

Box Story Large Builds Official Sets Robo Force Robo Force Sets Space

2153: Robo Stalker

June 15, 2023April 3, 2024 Master Builder

Classic Town Official Sets Supplemental Town

6347: Monorail Accessory Track

August 27, 2023August 27, 2023 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
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.