- Boot Kick
- Mouse Trap
- Ribbon Cutting
- Marbles Rolling
- Bowling Ball
- Dominoes
- Dancing Toy
- Low Frequency Vibration
- A Fan
- Bouyancy
- Hydraulics / Pnuematic
- Parallel Processes
- Long Distance Triggers (RC Car, Rocket on string, Laser
- Magnetism
- NERF
- Balloon
- Boat / Sail Car
- Catapult
- Fire
- Hamster Wheel
- Gyro
- Gravity
- Adhesive
- Fricton
- Turbine
- Biology / Animals
- Chemical Reactions (Diet Coke & Mentos) (Vinegar & Baking Soda)
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