Check the listing for details. JA-RU Lab Putty Led Scribbler UV Color Changing with Flashlight (1 Pack) Best. Condition: New. Listed at 12.95 USD. JA-RU Lab Putty Led Scribbler UV Color Changing with Flashlight (1 Pack) Best This amazing UV reactive icy green putty changes to purple-blue when exposed to a UV "black light". You get a LED Scribbler Keychain to actually write on the reactive putty. The amazing color changing putty never dries out! You get a handful of Lab Putty in a round silver tin.Type: Amazing Putty - Light Green to Blue UV Sensitive Color Changing PuttyCategory: Putty Science - For Children 4 and UpSize: 2.5" Round Tin (2.5 x 2.5 x 1 inches)Package: Color Card with 1 oz Putty in Round Tin - "Lab Putty LED Scribbler"Aaron's Giggle Meter: 10 of 10UPC: B0716PJ8MQ JA-RU 9574 Product Details BrandJaRuProduct TypeToy Slime Best Toys for 7 Year Old Girl, Best Toys for 8 Year Old Boy, Best Toys for 9 Year Old Boy, Best Toys for a 10 Year Old Boy, Best Toys for a 12 Year Old Boy, Best Toys for a 13 Year Old Boy, Best Toys for Boys, Best Toys for Girls, blacklight, blue, Crazy Aaron's, Creative Toys, does not dry out, Gifts for Family, green, keychain, Lab Putty, LED, Scribbler, silly putty, Silly Putty & Alien Slime, Thinking Putty, Toys Check out my other items. - Powered by