Helical Wave Form (Slinky), Excellent demonstration of wave motion., Each

Details

A Scientist's Version of the Classic Toy: Wave Form Helix This version has a higher spring constant than the classic toy and can be used as a scientific instrument to measure wave functions and demonstrate various physics concepts, including potential and kinetic energy, Hooke's Law, and energy of motion. Send it down a set of stairs for an exciting display or learn impressive tricks with this helix that measures 4 inches in height when closed and 3 inches in diameter, stretching up to 3 meters in length when fully extended.