Play N Learn Magical Clay is actually a putty that kids love to play! Watch and feel the strong magnetic force when you play with the putty and the neodymium magnet included in each pack. It also strengthens hand muscles and co-ordination. It is lightweight, non-sticky, bouncy and stretchy. Able to mould into any shapes you like. Due to the strong magnet included in this set, we encourage kids above 8 years old to play with this magnetic putty. Buy from Play N Learn, a reputable and leading educational store in Singapore!