Purple Cow: Crazy Scientist Forces & Energy
$12.00
Forces & Energy - 20 amazing science experiments on forces and energy including the telepathic bottles, the acrobat egg and the paper made bridge. 'The Crazy Scientist' series, a collection of science tricks, was created by a joint venture of 2 crazy scientists and the 'Purple Cow'. A combination bound to create an excellent and yet crazy experience! Each science trick comes with a simple and yet clever scientific explanation. Age: 6+