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STEAM DIY - Four-wheel Drive Car
STEAM DIY - Sweeping robot
Electrical Circuit set
STEAM DIY - Artificial Amber /Crystal epoxy
STEAM DIY - Lung Breathing
STEAM DIY - Touch Night Light
STEAM DIY - Handmade Soap
STEAM DIY - Magnet stackle Arhat
STEAM DIY - Clone Your Finger
STEAM DIY - Raster Animation
STEAM DIY - Ancient castle drawbridge pulley
HOTOY Balloon Racer
HOTOY Balloon Boat
STEAM DIY-Hydraulic Loader
STEAM DIY-Hydraulic Manipulator
STEAM DIY-Bigger or smaller
STEAM DIY - Air Cannon
STEAM DIY - Hand Crank Generator
STEAM DIY - Hydraulic Shark
STEAM DIY - Connector
STEAM DIY - Submarine
STEAM DIY - Maglev Perpetual Pen
STEAM DIY - Magnetic Levitation
STEAM DIY - Pull Rope Cart
