STEAM DIY - Twin-engine Aircraft
STEAM DIY - "Back home" Roller
STEAM DIY - Gravity Car
STEAM DIY - Electric Tricycle
STEAM DIY - Magnetic Car
Balloon Powered Wooden Boat
STEM DIY - Wind buggy
STEM DIY - Creative vacuum cleaner
STEM DIY - Moon phases observation equipment
STEM DIY - Telescopic periscope
STEM DIY - Optic Fiber Light Kit
STEM DIY - Mini Cup Light
