Silver Bells switches from cool metallic silver to white hot platinum with just the heat of your hands
See heat sensitive putty in action on the product video. For more tricks visit http://www.puttyworld.com
Recommended age: 6+
Putty Type: Medium texture
Warning: Not suitable for children under 3 due to the nature of the product.
Thinking Putty will never dry out, has no odour and leaves no greasy feeling on your hands. It is non-toxic and EN71 compliant, but like all putties, it should be kept away from fibres.