• Glow-in-the-Dark Science Kit with putty, slime, crystals and more! • Includes a collector\'s fluorescent rock specimen inside! • Contains four awesome science activities that will illuminate your child\'s imagination! • Make your own slime right at home! • Glow-in-the-dark putty, comes with a UV light that lets you draw glowing images or words in the putty itself! The National Geographic Glow-in-the-Dark Science Kit let you explore glow-in-the dark science with putty, slime, crystals and more. Includes four awesome science activities that will illuminate your child\'s imagination. Additional details: Packaging size: 260mm x 190mm x 60mm Recommended age: 8+