Description

Scientific Big Slinky, Wave Form Helix, Walking Spring Made of Tempered Steel Wire Helical Coil (165-170 mm, Diameter - 75 mm, 16 Meter Stretched Length) Wire Helix Closed Length 165-170 mm, Dia. 75mm, Weight: 650 Grams, up to 16 meter stretched length To illustrate wave motion. Flat section steel wire in helical coil. The Coil Springs is perfect for classroom demonstrations of wave properties. Great for many experiments, hands-on, a student favourite These classic coil spring represent a time-honoured tradition yielding big fun at birthdays and theme parties for adults. These slinky is not for kids. Perfect for stocking stuffers, prizes, presents, and more because everyone loves a Slinky. roduct Description