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Trebuchet | Hydraulics (Water-Powered Crusher)
iPhone Apple TV Android Android TV Roku ®
Rotation (Giant Tops) | Geodesic Dome (Gumdrop and Watermelon Domes)
Slime (Corn Starch, Long Chain Molecules) | Chemical Reactions (Luminescence, Liquid Crystals)
Pumpkin Drop | Gravity Boat
