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Professor Pengelly's Colour Changing Putty ��� Radiant Purple to Pink

£5.75
Made for the fingers of creative thinkers, Professor Pengelly’s Putty can be bounced, squeezed, twisted and sculpted to create all sorts of crazy shapes. This purple putty is heat-sensitive, meaning that it reacts to heat by changing colour. As you play with the putty, the heat of your hands will transform it from radiant purple to a shocking shade of pink. Fiddling with the putty is scientifically proven to relieve stress and help you focus, making it great for keeping on your desk. The putty comes in a storage tin to stop it drying and provide endless hours of fun.

  • Professor Pengelly’s Thermo-Reactive Putty
  • 88g of Radiant Purple putty in large storage tin
  • Bounce it, pop it, sculpt it, stretch it and more!
  • Reacts to the heat of hands by changing colour
  • Changes from radiant purple to shocking pink
  • Never dries out in tin for endless hours of fun
  • Putty is suitable for ages 3+ years and over