Building a Lego-powered Submarine 4.0 - automatic depth control
[WORKS UNDERWATER!] LEGO submarine 4.0 - Building & Testing
Building a Lego-Powered Submarine 4.0 - Automatic Depth Control.
Building a lego-powered Submarine 4.0 - automatic depth control
Building a Lego-powered Submarine 3.0 - balloon and compressor
Building a Lego-powered Submarine 2.0 - magnetic couplings
LEGO Submarine - Building and Testing - Amazing Project
Lego submarine under water. Searching for REAL sea turtles
Creating a BIG Vortex with Lego Motors
How To Make a Lego Man Fly