Work 1M10.11 Barbell
  1M10.50 Friction Car
Simple Machines 1M20.10 Pulleys
  1M20.20 Bosun's Chair
  1M20.31 Precision Inclined Plane
  1M20.41 Fulcrum
Conservation of Energy 1M30.10 Nose Basher
  1M30.15 Stopped Pendulum
  1M30.20 Loop-the-Loop
  1M30.3X Hot Wheels Track
  1M30.41 Ballistic Pendulum
  1M30.42 Conservation of Energy - Heat Generated in Collision
  1M30.48 Conservation of Energy - Spring Gun
  1M30.50 Big Yo-Yo
  1M30.52 Yo-Yo
  1M30.62 Spring Loaded Glider
  1M30.64 Spring Gun with Heavy and Light Balls
  1M30.67 Frog on a Log
  1M30.68 Mousetrap
  1M30.90 Rattleback
  1M30.91 Dropper Popper
  1M30.92 Hopper Popper
Mechanical Power 1M50