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 – Back A

October 8, 2024October 8, 2024 Master Builder 3671 Views

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

← 371-3: Seaplane
371-3 – Top A →

You May Also Like

1491 – Back B

October 11, 2021October 28, 2021 Master Builder

6440 – Back C

July 8, 2022July 12, 2022 Master Builder

6363 – Back B

February 17, 2023February 18, 2023 Master Builder

6553 – Back D

December 4, 2023December 4, 2023 Master Builder

6060 – Instructions A

October 1, 2024October 1, 2024 Master Builder

379 – Back C

April 10, 2021April 10, 2021 Master Builder

EXPLORE MORE OFFICIAL SETS

Classic Town Official Sets Small Builds Town Town Sets Traffic

6694: Car with Camper

May 19, 2022May 19, 2022 Master Builder

Year Released: 1984BricklinkInstructions

Classic Space Classic Space Sets Official Sets Small Builds Space

1580: Lunar Scout

July 12, 2021July 12, 2021 Master Builder

Basic Large Builds Official Sets Universal Building Set

720: Basic Building Set

February 8, 2024February 9, 2024 Master Builder

Official Sets Race Town Town Sets Very Small Builds

6604: Formula-1 Racer

November 25, 2020November 25, 2020 Master Builder

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

Aquaraiders I Aquazone Aquazone Sets Medium Builds Official Sets

2160: Crystal Scavenger

April 25, 2023April 25, 2023 Master Builder

Classic Space Classic Space Sets Different Box Versions Different Set Numbers Jens Nygaard Knudsen LL Link Medium Builds Official Sets Space

924 (487): Space Cruiser

January 25, 2022October 17, 2024 Master Builder

Drome Racers Official Sets Racers Small Builds

4593: Zero Hurricane & Red Blizzard

January 27, 2025February 21, 2025 Master Builder

Large Builds Official Sets UFO UFO Sets

6915: Warp Wing Fighter

November 9, 2019November 9, 2019 Master Builder

Classic Town Medium Builds Official Sets Police Town Town Sets

6354: Pursuit Squad

February 9, 2022February 9, 2022 Master Builder

Black Falcons Castle Castle Sets Official Sets Small Builds

6030: Catapult

April 2, 2022April 2, 2022 Master Builder

Classic Space Classic Space Sets Jens Nygaard Knudsen Medium Builds Official Sets Space

920 (483): Alpha-1 Rocket Base

February 2, 2021July 31, 2023 Master Builder

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

6781: SP-Striker

April 19, 2021July 29, 2023 Master Builder

Indians Jørn Thomsen Official Sets Small Builds Western Western Sets

6718: Raindance Ridge (Rain Dance Ridge)

August 4, 2020July 29, 2023 Master Builder

ABCs M:Tron M:Tron Sets Medium Builds Official Sets

6923: Particle Ionizer

October 1, 2019August 13, 2023 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6805: Astro Dasher

December 10, 2025December 10, 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
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.