Mechanical STEM Kits

Mechanical STEM Siege Crossbow Kit

Mechanical STEM Fighter Jet Kit

Mechanical STEM Solar Helicopter Kit

Mechanical STEM Solar Satellite Kit

Mechanical STEM Hand-Crank Gramophone Kit

Mechanical STEM Projector Kit

Mechanical STEM Racing Car Kit

Mechanical STEM Electric Windmill Kit

Mechanical STEM Flutter Butterfly Kit

Mechanical STEM Tower Crane Kit

Mechanical STEM Carousel Music Box Kit

Mechanical STEM Dinosaur Robot Kit

Mechanical STEM Cable-Stayed Bridge Kit

Mechanical STEM Electric Glider Plane Kit

Mechanical STEM Paddle Boat Kit

Mechanical STEM Hand-Pump Water Machine Kit

Mechanical STEM Electric Tank Kit

Mechanical STEM Amphibious Vehicle Kit

Mechanical STEM Oscillating Fan Kit

Mechanical STEM Hand-Crank Light Generator Kit

Mechanical STEM Solar-Powered Mini Car Kit

Mechanical STEM Newton's Cradle Kit

Mechanical STEM Balance Scale Kit

Mechanical STEM Air Suspension Ball Kit

Mechanical STEM Basketball Shooter Kit

Mechanical STEM Automatic Ball Launcher Kit

Mechanical STEM Electric Hovercraft Kit

Mechanical STEM Electric Dual-Propeller Airplane Kit

Mechanical STEM Weather Vane Kit

Mechanical STEM Electric Ferris Wheel Kit

Mechanical STEM Centrifugal Spin Dryer Kit

Mechanical STEM Simple Circuit Flashlight Kit

Mechanical STEM Rubber Band Ballista Kit

Mechanical STEM Da Vinci Bridge Kit

Mechanical STEM Human Skeleton Anatomy Kit

Mechanical STEM Magnetic Compass Kit

Mechanical STEM Hand-Crank Music Box Kit

Mechanical STEM Electric Vortex Generator Kit

Mechanical STEM Hand-Powered Mini Blender Kit