MOVE OVER SLIME! DIY bouncy balls are in da house and Simon is back with his tried and tested recipe for THE BEST bouncy balls. Including all the science and testing that went into finding the recipe. Don't forget to follow Silly Science with Simon on Facebook and visit our website to find out how to make these bouncy balls! Have fun! www.kidsinadelaide.com.au/silly-science-with-simon | Kids In Adelaide