Johntoy Smart Putty This Smart Putty from Johntoy can be shaped completely the way you want it. Squeeze and knead and feel the stress flow away from your body! But it gets even more fun: the magnetic substance that is incorporated in your Putty ensures that your artwork sticks to metal objects! Crazy handy, right? Specifications: Color: green Gender: junior/unisex Material: rubber Packaging diameter: 8 cm Age: from 6 years