Skip to content
Back of the Box Builds

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
    • Submit Instructions!
    • New Instructions
    • New Official Sets
    • New Alternate Builds
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
    • How BOTBB was Built
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP
Alternate Builds Classic Space Classic Space Alternate Builds Small Builds Space 

6870 – Back B

January 12, 2021January 12, 2021 Master Builder 4535 Views

From: 6870: Space Probe Launcher
Name: TBD
Submitted by: USER
Instructions

Back B
  • ← 6870: Space Probe Launcher
  • 6870 – Back C →

You May Also Like

6532 – Back C

November 19, 2020November 19, 2020 Master Builder

6655 – Back C

June 4, 2023June 4, 2023 Master Builder

6604 – Back B

November 25, 2020November 25, 2020 Master Builder

6041 – Back D

September 25, 2024September 25, 2024 Master Builder

6337 – Back C

December 4, 2023December 4, 2023 Master Builder

6825: Cosmic Comet

September 12, 2019March 18, 2024 Master Builder

EXPLORE MORE OFFICIAL SETS

1793: Space Station Zenon
Large Builds Official Sets Space Unitron Unitron Sets 

1793: Space Station Zenon

April 19, 2021April 19, 2021 Master Builder

Year Released: 1995Bricklink

6834: Celestial Sled
Ice Planet 2002 Ice Planet 2002 Sets Official Sets Small Builds Space 

6834: Celestial Sled

February 9, 2021February 9, 2021 Master Builder
6345: Aerial Acrobats
Airport Classic Town Large Builds Official Sets Town Town Sets 

6345: Aerial Acrobats

January 29, 2021September 15, 2022 Master Builder
6668: Recycle Truck
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6668: Recycle Truck

November 18, 2020November 18, 2020 Master Builder
7303 (1415, Kabaya: Life On Mars 3): Jet Scooter
Life on Mars Life on Mars Sets Official Sets Very Small Builds 

7303 (1415, Kabaya: Life On Mars 3): Jet Scooter

February 25, 2025February 25, 2025 Master Builder
6991: Monorail Transport Base
Extra Large Builds Jørn Thomsen Official Sets Space Unitron Unitron Sets 

6991: Monorail Transport Base

September 28, 2019July 29, 2023 Master Builder
6955: Space Lock-Up Isolation Base
Box Marketing Blurb Large Builds Official Sets Space Space Police I Space Police I Sets 

6955: Space Lock-Up Isolation Base

February 3, 2021April 3, 2024 Master Builder
1665: Duel FX Racers
Official Sets Small Builds Town Town Sets 

1665: Duel FX Racers

April 30, 2024April 30, 2024 Master Builder
6387: Coastal Rescue Base
Classic Town Coast Guard Large Builds Official Sets Town Town Sets 

6387: Coastal Rescue Base

July 15, 2022July 15, 2022 Master Builder
6310: T-Road Plates
Classic Town Official Sets Supplemental Town 

6310: T-Road Plates

October 10, 2022May 5, 2025 Master Builder
6397: Gas N’ Wash Express
Classic Town Extra Large Builds Gas Station Official Sets Town Town Sets Wrecker 

6397: Gas N’ Wash Express

July 14, 2021July 14, 2021 Master Builder
6987: Message Intercept Base
Blacktron Blacktron Sets Daniel August Krentz Extra Large Builds Official Sets Space 

6987: Message Intercept Base

September 12, 2019March 2, 2026 Master Builder
2788: Katie’s Kitchen
Duplo Duplo Sets Official Sets Playhouse Small Builds 

2788: Katie’s Kitchen

July 10, 2024July 10, 2024 Master Builder
6663: Wave Rebel
Classic Town Harbor Official Sets Small Builds Town Town Sets Wrecker 

6663: Wave Rebel

June 6, 2022June 6, 2022 Master Builder
6764: Sheriff’s Lock-Up
Medium Builds Official Sets Western Western Sets 

6764: Sheriff’s Lock-Up

September 1, 2024September 1, 2024 Master Builder
7144: Slave I
Episode IV/V/VI Medium Builds Official Sets Star Wars Star Wars Sets 

7144: Slave I

October 28, 2021October 28, 2021 Master Builder

BOXES

INSTRUCTIONS

FAVORITES

MINIFIGS

About This Site

Logo
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.