Enlarge image
Go to checkout
A simple and sensibly priced version of the old favourite where, once set in motion, the metal balls demonstrate the ‘action-and-reaction’ phenomenon as they attempt perpetual motion. 11cm
A tiny ten pin bowling set, cleverly packaged with a large marble bowling ball
Multi-coloured team rope with instructions CD
If you have a decision to make, flick through the pages of The Book of Answers