Range Repeater - Parabolic Lens

Trip Wire - Momentum Transfer

Domino Catapult - Projectile Motion

Drawing Machine - Linkages

Coin Spinner - Ratchet

Boomerang Car - Worm Gear

Disc Launcher - Flywheel

Paper Airplane Launcher - Springs

Rocket Revolver - Compressed Air

Air Ball - Coanda Effect

Duck Game - Belts

Strobe Light Animator - Light Refraction

Mirror Bank - Mirrors