Goo Hu Magical Moldable Matter Create Cushie Critters GOO?HU - the magical, moldable matter is sure to get kids excited. It's science. It's fun. It's easy to do! Become a GOO?HU guru today! GOO?HU - the magical, moldable matter Cushie Critters Goo Hu is part science experiment and part bouncing toy Goo Hu Cushie Critters is for ages 6 and up