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 Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds

6381 – Back C

February 15, 2023February 19, 2023 Master Builder 4796 Views

From: 6381: Motor Speedway
Name: Speedway Finishline
Instructions: View PDF ¹

Back C

Contributions

PDF file submitted on February 14, 2023 by: Michaël Tax

← 6381 – Back A
6381 – Back D →

You May Also Like

1818: Aircraft and Ground Support Equipment and Vehicle

April 7, 2025April 7, 2025 Master Builder

6854 – Back A

August 31, 2022September 19, 2022 Master Builder

6872 – Back D

October 19, 2019April 21, 2026 Master Builder

6884 – Back C

September 24, 2019October 25, 2021 Master Builder

2331 – Back D

December 29, 2021December 29, 2021 Master Builder

4552: Cargo Crane

July 22, 2026July 22, 2026 Master Builder

EXPLORE MORE OFFICIAL SETS

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6805: Astro Dasher

December 10, 2025December 10, 2025 Master Builder

Year Released: 1985BricklinkInstructions

Aquashark Aquazone Aquazone Sets Official Sets Small Builds

6155: Deep Sea Predator

May 10, 2022May 10, 2022 Master Builder

Black Knights Castle Castle Sets Extra Large Builds Niels Milan Pedersen Official Sets

6086: Black Knight’s Castle

October 11, 2021July 29, 2023 Master Builder

Extra Large Builds Official Sets Studio Sets Studios

1382: Scary Laboratory

August 10, 2026August 10, 2026 Master Builder

Medium Builds Official Sets Pirates Pirates I Pirates Sets

6249: Pirates Ambush

November 16, 2019February 20, 2025 Master Builder

Classic Town Food and Drink Medium Builds Official Sets Town Town Sets

6350: Pizza To Go

April 9, 2020February 3, 2021 Master Builder

Official Sets Rock Raiders Rock Raiders Sets Small Builds

4950: Loader-Dozer

November 10, 2019December 16, 2019 Master Builder

Blacktron Blacktron Sets Bonus/Value Packs Castle Castle Sets Classic Town Forestmen Official Sets Small Builds Space Town Traffic

1675: Legoland Triple Pack

October 12, 2021October 12, 2021 Master Builder

Classic Town Extra Large Builds Fire Official Sets Town Town Sets

6389: Fire Control Center

January 24, 2022January 24, 2022 Master Builder

Black Knights Castle Castle Sets Official Sets Very Small Builds

6009: Black Knight

April 9, 2020April 9, 2020 Master Builder

Episode III Medium Builds Official Sets Star Wars Star Wars Sets

7256: Jedi Starfighter & Vulture Droid

March 1, 2023May 12, 2023 Master Builder

Medium Builds Official Sets Town Town Sets

6381: Motor Speedway

October 5, 2019February 19, 2023 Master Builder

Classic Town Official Sets Race Town Town Sets Very Small Builds

3056: Go-Kart

July 26, 2020July 26, 2020 Master Builder

Medium Builds Official Sets Space Unitron Unitron Sets

1789: Star Hawk II

July 18, 2020July 18, 2020 Master Builder

Futron Sets Futuron Official Sets Small Builds Space

6885: Saturn Base Main Team (Crater Crawler)

December 28, 2021December 28, 2021 Master Builder

Classic Town Fire Medium Builds Official Sets Town Town Sets

6340: Hook & Ladder

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
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.