3 in. Dia. Metal Slinky Spring
Product Number: SB13633
In Stock (Ships within 1-2 business days)
Stretches to 30 ft. The Slinky Spring with three times the normal length is ideal for demonstrating several fundamentals of wave motion. When the spring is extended to 30 feet, a lateral or longitudinal pulse can be observed in detail as it travels at the slower rate corresponding to low tension.
SOO FUN KIDS CAN PLAY WITH FOR HOURS!: