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 Castle Castle Alternate Builds Instructions Added Large Alt Build Large Builds

6074 – Inside A

June 11, 2022August 1, 2023 Master Builder 6794 Views

From: 6074: Black Falcon’s Fortress
Name: TBD ¹
Instructions: View PDF

Contributions

PDF submitted on June 11, 2022 by: The Kind Crusader

← 6970 – Back H
6950 – Back A →

You May Also Like

735 – Inside C

September 15, 2022September 15, 2022 Master Builder

6951 – Back A

September 21, 2019October 25, 2021 Master Builder

4592 – Back B

November 14, 2025November 14, 2025 Master Builder

6529 – Back C

July 14, 2022March 14, 2025 Master Builder

7151 – Back A

September 1, 2023September 1, 2023 Master Builder

6546 – Back B

May 23, 2022May 23, 2022 Master Builder

EXPLORE MORE OFFICIAL SETS

Classic Space Classic Space Sets Official Sets Small Builds Space

1558: Mobile Command Trailer

December 18, 2021December 18, 2021 Master Builder

Year Released: 1986BricklinkInstructions

ABCs Classic Town Fire Official Sets Small Builds Town Town Sets

6685: Fire Copter 1

October 13, 2021August 3, 2023 Master Builder

Large Builds Official Sets Technic Technic Sets

8001: Battle Droid

September 1, 2023September 1, 2023 Master Builder

Episode III Medium Builds Official Sets Star Wars Star Wars Sets

6205: V-wing Fighter

March 3, 2023March 3, 2023 Master Builder

Imperial Soldiers Niels Milan Pedersen Official Sets Pirates Pirates I Pirates Sets Very Small Builds

6245: Harbor Sentry

July 13, 2021July 29, 2023 Master Builder

Box Story Medium Builds Official Sets Time Cruisers Time Cruisers Sets

6497: Twisted Time Train

March 17, 2025March 17, 2025 Master Builder

Jørn Thomsen Medium Builds Official Sets Space Space Police I Space Police I Sets

6895: Spy-Trak I

April 8, 2020September 12, 2024 Master Builder

Classic Town Coast Guard Large Builds Official Sets Town Town Sets

6387: Coastal Rescue Base

July 15, 2022July 15, 2022 Master Builder

Harry Potter Harry Potter Sets Official Sets Prisoner of Azkaban Small Builds

4751: Harry and the Marauder’s Map

May 16, 2023May 16, 2023 Master Builder

Medium Builds Official Sets Technic Technic Sets

854: Go-Kart

August 28, 2023January 6, 2025 Master Builder

Classic Space Classic Space Sets Official Sets Small Builds

6871: Star Patrol Launcher

September 27, 2019September 30, 2019 Master Builder

Bonus/Value Packs Classic Space Classic Space Sets Duplicate Set Number Official Sets Small Builds Space

1969-2: Space Value Pack

January 29, 2025January 29, 2025 Master Builder

Episode II Medium Builds Official Sets Star Wars Star Wars Sets

7143: Jedi Starfighter

December 29, 2021December 29, 2021 Master Builder

Large Builds Official Sets UFO UFO Sets

6915: Warp Wing Fighter

November 9, 2019November 9, 2019 Master Builder

Official Sets Small Builds Time Cruisers Time Cruisers Sets

6495: Time Tunnelator

July 14, 2021July 14, 2021 Master Builder

Airport Medium Builds Official Sets Town Town Sets World City

4032: Passenger Plane

December 29, 2021December 29, 2021 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.