Moment Of Inertia Disc On Magnet, 17.5 Cm Dia. Plastic Disc Mounted On Ball Bearing And Magnetic Base, Plastic Disc Dia. 17.5 Cm Mounted On Ball Bearing And Magnetic Base Perforated With Hole At 1 Cm Interval On 12 Axes At 30 deg. Supplied With 6 Moveable Pins.
Air Puck, perfectly balanced and glides on a cushion of air for nearly frictionless motion across any smooth surface. Sturdy bumpers will survive collisions with walls, shoes, or other Air Pucks.