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STEAM DIY - 橡皮筋動力車
STEAM DIY - 拉線風扇
STEAM DIY - 繩索車
STEAM DIY - 磁浮
STEAM DIY - 磁浮永動筆
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
STEAM DIY - Pulley Dynamometer
STEAM DIY - Ancient castle drawbridge pulley
STEAM DIY - Raster Animation
STEAM DIY - Clone Your Finger
STEAM DIY - Magnet stackle Arhat
STEAM DIY - Handmade Soap
STEAM DIY - Touch Night Light
STEAM DIY - Lung Breathing
STEAM DIY - Artificial Amber /Crystal epoxy
