Tub of heat sensitive slime that changes colour in your hands. Mould, stretch, bounce and even watch this putty melt as you play with it. The warmth from your hands causes it to change colour, only reverting back to its original shade when it is left to cool down. Supplied in an assortment of colours. Features & details Putty with colour changing effect Mould, stretch, bounce and watch it melt Comes in storage tub Tub 6.5cm x 3.5cm x 2cm approx All of our putty is fully tested, non toxic and safe, suitable for ages 3+ but must be used under adult supervision at all times If putty gets on furniture, wooden floors, carpets, wallpaper, clothes or hair, remove immediately and wash with warm soapy water