the original silly putty by crayola, original or glow in the dark colors

Need help concentrating? Fun to use Silly Putty can be molded into shapes to give the young learner a supportive and stimulating sensory tool, or a young artist a beginning in modeling. Changeable Silly Putty is temperature-sensitive and will change color with the warmth of your hands. AP certified non-toxic. ages 4+. Makes a great reward or gift add-on.