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STEAM DIY - Rubber Band Power Car
STEAM DIY - Pull Rope Fan
STEAM DIY - Pull Rope Cart
STEAM DIY - Magnetic Levitation
STEAM DIY - Maglev Perpetual Pen
STEAM DIY - Submarine
STEAM DIY - Connector
STEAM DIY - Hydraulic Shark
STEAM DIY - Hand Crank Generator
STEAM DIY - Air Cannon
STEAM DIY-Bigger or smaller
STEAM DIY-Hydraulic Manipulator
STEAM DIY-Hydraulic Loader
HOTOY Balloon Boat
HOTOY Balloon Racer