Original Silly Putty
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Looking for a solution for fidgety hands? Why not go with the original kid-safe putty? A less messy alternative to slime, with lots of fun activities to look up!
Silly Putty is a toy based on silicone polymers that have unusual physical properties. It bounces, but it breaks when given a sharp blow, and it can also flow like a liquid. It contains a viscoelastic liquid silicone, a type of non-Newtonian fluid, which makes it act as a viscous liquid over a long time period but as an elastic solid over a short time period. It was originally created during research into potential rubber substitutes for use by the United States in World War II!
Recommended ages 3 and up.