Play N Learn Magical Clay is actually a putty that kids love to play! Watch its colour change when there is a change in temperature! When you keep rubbing the putty, introducing heat to it, the colour will become lighter. Place the pink putty on to ice and see the pink slowly changing to purple. Like Magic! It is lightweight, non-sticky, bouncy, stretchy and safe to play with! Able to mould into any shapes you like. Age appropriate for 6 years old and up.