Introducing the JA-RU Lab Putty Color Changing LED Scribbler with UV LED Flashlight, a toy that combines creativity, science, and stress relief into one fun, mesmerizing experience! Kids can enjoy hours of entertainment by drawing invisible designs on the UV putty using the included UV light flashlight, revealing magical color-changing effects with each stroke. This unique sensory putty offers a hands-on way for kids to express creativity, calm their minds, and explore the science of UV light- Comes with a portable tin container for slime that your kids can bring anywhere they go! Aside from being fun, the LED Scribbler putty is designed to be squishy, stretchy, and very satisfying to touch, making it an ideal fidget and stress-relief tool. Kids and adults alike will enjoy squeezing and stretching this high-quality putty, helping to soothe stress and tension, increase focus, and improve fine motor skills. The unique texture provides a calming, tactile experience thats awesome for children and adults. These can also be used as occupational therapy toys. An excellent choice for bulk party favors, classroom prizes, holiday stocking stuffers, Easter Basket stuffers, pinata fillers, and more. Let kids explore the magic of invisible ink and color-changing fun with the JA-RU Lab Putty LED Scribbler. From creative play to sensory relaxation, this unique putty offers an exciting, hands-on experience that captivates, educates, and entertains. Whether youre looking for a fun fidget toy, a unique party favor, or a sensory gift, the LED Scribbler is a cool choice that brightens up any day!