From the Crazy Aaron's site:
FOXFIRE
Foxfire Phantom Thinking Putty® is equally wondrous. This glimmering light green putty shines a bright blue with a green edge in the dark. Plus, you’ll reveal a supernatural glow when you draw on Foxfire with the included Glow Charger®.
PRODUCT DESCRIPTION
INCLUDES: 1/5 LB. (3.2 OZ.) OF THINKING PUTTY
COLOR: GREEN | GLOWS BLUE
FEATURES: ULTRAVIOLET, GLOWS, SPARKLES, SOFT TEXTURE
ACCESSORIES: GLOW CHARGER INCLUDED WITH PURCHASE
MATERIALS: NON-TOXIC SILICONE
AGES: 8+
⚠️WARNING: UV EMITTED FROM THIS PRODUCT. AVOID DIRECT EYE OR SKIN CONTACT WITH LIGHT. DO NOT AIM LIGHT AT PEOPLE OR PETS.
NEVER DRIES OUT!
PROUDLY MADE IN THE USA
MANUFACTURED WITH THE HELP OF EXCEPTIONAL INDIVIDUALS CHALLENGED WITH DISABILITIES
Note: 4" tin