Perpetual Motion Machine

• 13A10.10 - Perpetual Motion Machines - Relaxation Oscillators

Kinetic Theory

• 4D20.10 - Radiometer

Magnetic Fields and Forces

• 5H20.25 - Revolution

Electromagnetic Induction

• 5K40.49a - Mystery Top
• 5K40.49b - Space Circles - Space Balls
• 5K40.49c - Space Wheel