Keycraft Mini Metal Spring 3cm009191
Curious Minds Did You Know? Galileo discovered the law of free fall after dropping 2 spheres from the top of the Leaning Tower of Pisa!
This Mini Springer is a 30mm diameter helical steel spring that can bounce up and down, stretch and re-form itself. Watch it magically walk down the stairs with the aid of gravity and its own momentum - endless hours of creative play!