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
    • 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 Chamber of Secrets Harry Potter Harry Potter Alternate Builds Small Builds 

4726 – Back B

February 27, 2023February 27, 2023 Master Builder 3193 Views

From: 4726: Quidditch Practice
Name: TBD
Submitted by: USER
Instructions:

  • ← 4726 – Back A
  • 4735: Slytherin →

You May Also Like

6958 – Back C

November 9, 2019November 9, 2019 Master Builder

1978: Build-A-Santa Polybag

April 28, 2023April 28, 2023 Master Builder

891: Two-Man Scooter

March 15, 2024March 15, 2024 Master Builder

6271 – Back A

January 6, 2022February 20, 2025 Master Builder

1723: Castle / Pirates Combi Pack

March 30, 2026March 30, 2026 Master Builder

725 – Side L

July 22, 2024July 22, 2024 Master Builder

EXPLORE MORE OFFICIAL SETS

6939: Saucer Centurion
ABCs Jørn Thomsen Medium Builds Official Sets Spyrius Spyrius Sets 

6939: Saucer Centurion

November 9, 2019October 1, 2024 Master Builder

Year Released: 1994Designer: Jørn ThomsenBricklinkInstructions *Alternate Build Connection: 6957 – Back A

920 (483): Alpha-1 Rocket Base
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
6454: Countdown Corner
Medium Builds Official Sets Space Port Town Town Sets 

6454: Countdown Corner

July 14, 2021July 14, 2021 Master Builder
6391: Cargo Center
Cargo Classic Town Extra Large Builds Official Sets Town Town Sets 

6391: Cargo Center

March 13, 2024March 13, 2024 Master Builder
6175: Crystal Explorer Sub
ABCs Aquanauts Aquazone Aquazone Sets Medium Builds Official Sets 

6175: Crystal Explorer Sub

January 20, 2022March 22, 2025 Master Builder
5956: Expedition Balloon
Adventurers Adventurers Sets Box Plus Jungle Medium Builds Official Sets Playscape/Play Stage Box Storage Container 

5956: Expedition Balloon

August 31, 2024March 5, 2026 Master Builder
1789: Star Hawk II
Medium Builds Official Sets Space Unitron Unitron Sets 

1789: Star Hawk II

July 18, 2020July 18, 2020 Master Builder
6516: Moon Walker
Launch Command Official Sets Recreation Town Town Sets Very Small Builds 

6516: Moon Walker

April 9, 2020April 9, 2020 Master Builder
6952: Solar Power Transporter
ABCs Classic Space Classic Space Sets Large Builds Official Sets 

6952: Solar Power Transporter

September 22, 2019March 20, 2025 Master Builder
6950: Mobile Rocket Transport
Classic Space Classic Space Sets Medium Builds Niels Milan Pedersen Official Sets Space 

6950: Mobile Rocket Transport

January 12, 2021July 29, 2023 Master Builder
6340: Hook & Ladder
Classic Town Fire Medium Builds Official Sets Town Town Sets 

6340: Hook & Ladder

December 29, 2021December 29, 2021 Master Builder
6237: Pirates’ Plunder
Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

6237: Pirates’ Plunder

February 8, 2022February 8, 2022 Master Builder
1843-3: {Royal Knights Unknown}
Bonus/Value Pack Sets Castle Castle Sets Official Sets Royal Knights Small Builds 

1843-3: {Royal Knights Unknown}

September 8, 2023September 13, 2023 Master Builder
1843 – Side L
Bonus/Value Pack Alternate Builds Castle Castle Alternate Builds Instructions Added Official Sets Royal Knights Small Alt Build Small Builds Space Spyrius Spyrius Alternate Builds 

1843 – Side L

January 22, 2021March 14, 2025 Master Builder
7782: The Batwing: Joker’s Aerial Assault
Batman I BATMAN™ BATMAN™ Sets Large Builds Official Sets 

7782: The Batwing: Joker’s Aerial Assault

March 27, 2026March 27, 2026 Master Builder
6080: King’s Castle
ABCs Castle Castle Sets Extra Large Builds Lion Knights Niels Milan Pedersen Official Sets 

6080: King’s Castle

October 5, 2019August 16, 2023 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
  • 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.