✨ Unleash the Glow, Ignite the Fun! 🌟 USA-approved, non-toxic materials for worry-free fun. Activate with light for an out-of-this-world glow! Perfect for fidgeting, stress relief, and enhancing concentration. Ideal for birthdays, holidays, and classroom rewards! Foster curiosity and creativity through interactive play. Glow in the dark STEM learning Non-toxic safety The JA-RU Nite-Glo Glow in The Dark Slime Putty Eggs come in a vibrant neon green, designed for both kids and adults. Each pack includes two individually packed putty eggs that glow in the dark after exposure to light. Made from high-quality, non-toxic materials, these putty eggs are perfect for STEM learning, stress relief, and as engaging party favors. ASTM tested for safety, they make an excellent gift for any occasion.