Making A Billion-Year Lego Clock
ゴム動力マシンを魔改造!速さの限界に挑む【JCJCタイムアタック】
I Put 44 Mechanisms In 1 LEGO® Machine...
Tesla Valve | The complete physics
【DIY】煎餅缶とモルタルで小さな囲炉裏を作ろう
50-mechanical mechanisms commonly used in machinery and in life
Testing 9 Types of Suspensions for Lego Technic
7 Kinetic Sculptures in Lego
Testing Lego-compatible Axles (max torque, durability, friction, etc)
3 Simple Useless Machines | Lego Technic
Making the Longest 1:1 Lego Gear Train
Running Lego Engines with Air