Northern Lights Thinking Putty is a beautiful iridescent glittery white that also glows in the dark. Knead, pop, bounce, stretch and snap it. Perfect for manipulative play and fidgety hands. Translucent, shimmering pearl-colored putty by day...unique multi-color glow at night! The longer it's exposed to light, the longer and brighter it will glow at night. All Thinking Putty is completely non-toxic and made in the USA by exceptional individuals with disabilities. All Crazy Aaron's Thinking Putty is stretchy, squishy, and bouncy. It is truly the toy for everyone - kids, teens, and adults! Putty is the ultimate fidget toy, keeping your hands busy so your brain can focus at work and at school. The sensory applications are phenomenal for both neurodevelopment and soothing those on the autism spectrum. Thinking Putty is non-toxic, latex-free, gluten-free, wheat-free, and phthalate-free. It never dries out and is easy to remove from most fabrics. Crazy Aaron manufactures 100% of his products in the USA and is a leading employer of special needs individuals in his community.