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.
Diy Fuel Cell Science Kit Classroom Pack, You Need To Split Water And Use Its Hydrogen To Generate Electricity Is Included, Whatever You Can Dream Up, What That Electricity Powers Is Up To You, Our Included Activity Guide Or Come Up With Your Own Ideas
Magnetizer Box - Bar Magnet, 110/120V AC, 60Hz, Revitalizes iron, nickel, cobalt, and alnico horseshoe and bar magnets in seconds. Simply place magnets in the 25x25 mm holes and press the button to make old magnets new again
Organ Pipe Polished Wood, With Movable Piston Marked With The Chromatic Scale From C (512) To (1024), Overall Length When Fully Extended 880 mm May Be Used For Investing The Phenomenon Of Beats In Conjunction With A Second Pipe Of The Same Type.