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Back of the Box Builds

LEGO Alternate Builds!

SETS
- Adventurers
- Aquazone
- Belville
- Building Set with People
- Castle
- Duplo
- Harry Potter
- Holiday and Event
- LEGOLAND
- Model Team
- Ninja
- Pirates
- Rock Raiders
- Space
- Star Wars
- Studios
- Technic
- Time Cruisers
- Town
- Universal Building Set
- Western
- Misc
USEFUL LINKS
THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Classic Space Classic Space Sets Large Builds Official Sets Space

6783: Sonar Transmitting Cruiser

May 8, 2022May 8, 2022 Master Builder 2698 Views

Year Released: 1986
Bricklink
Instructions

Back A

Back A

← 6641 – Back E
6783 – Back A →

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About This Site

There were once pictures of additional builds on the back of LEGO® boxes. On the box was, "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
Harry Potter
Holiday and Event
LEGOLAND
Model Team
Ninja
Pirates
Rock Raiders
Space
Star Wars
Studio
Technic
Time Cruisers
Town
Universal Building Set
Western
Misc

Useful Links

Contribute!
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)
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In Honor of 1526

The classic space set that never was.

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