Proudly made in the USA, Thinking Putty is non-toxic and never dries out. For ages 3+ Crazy Aaron's Glow in the Dark Thinking Putty glows in the dark and is a fun way to keep your hands busy! Stretch it, twist it, bounce it, knead it. .47oz. of putty in resealable metal tin. Manufactured with the help of exceptional individuals challenged with disabilities.