Get ready for color-changing fun with Goo Lab UV Reactive Putty! This stretchy sensory putty reacts to UV light for an exciting interactive experience that makes every play session feel like a science experiment. Use the included UV light to draw, create patterns, and watch the putty change colors right before your eyes!

Soft, stretchy, and super satisfying to squish, this putty is perfect for sensory play, stress relief, fidgeting, party favors, stocking stuffers, and STEM-inspired fun. A must-have for kids and anyone who loves unique sensory toys!

SAFETY WARNING:  This product contains chemical compounds used in manufacturing. Keep away from children under 6 years of age. Do not place in mouth or chew. Do not puncture, cut, or tear the outer surface. If the product is damaged or torn, discontinue use immediately and dispose of properly — do not allow contact with the inner foam material. Wash hands after extended handling. Keep away from eyes, nose, and mouth. Not intended for children who mouth objects. Store in a cool, dry place away from direct sunlight and heat. This product is not a food item. In case of accidental ingestion of inner material, contact Poison Control immediately at 1-800-222-1222. Adult supervision recommended for young children.