Closed Length: 150mm
Diameter: 75mm (about 3 inches)
Ext. Length: 20 m.
Ages 12 yrs. and up
Offered for sale is an extra large physical science version of the classic children's toy Slinky. It is 20m in length,
that is about 60 feet. You will love this to play with! It is bigger than any spring toy you have seen. Customer's love
it! It can be used for simple wave studies. Edge wound spring. Has many of the same uses as the original toy, plus being
very educational. These coiled springs are used to demonstrate wave forms, energy displacement and harmonic vibration
production. More than science, the spring is cool and fun to play with. Ages 12 yrs. and up.