Professor Pengelly's UV Hyper-Reactive Putty - White
Professor Pengelly's Putty from Toysmith is made for fingers of creative thinkers. Hyper-reactive putty changes from white to purple with UV light, which is included. This putty provides endless days of fun, reactive play and scientific stress relief as it never dries out inside of the tin. Recommended for ages 8 and up.
- Contains 3.2 oz of hyper-reactive putty in the color white.
- Includes a UV light, which changes the putty from white to purple.
- Never dries out in tin.