Get bidding on this great kit containing plastic granules which, when simply mixed with water, can be turned into your very own bouncy balls.

A mixture of five colours can be poured into one of the three supplied moulds (one large, spherical design and two small, irregularly shaped ones), immersed in water, and then split open after four minutes to reveal a superbly bouncy creation!

Get some really cool gadgets and gizmos to impress your buddies and have hours of fun