National Geographic Glow-In-The-Dark Mega Science Kit The National Geographic Mega Science Series Glow-in-the-Dark Science Kit contains four awesome science activities that will illuminate your imagination. This kit includes both purple and green glow-in-the-dark slime kits, allowing you to make your own slime right at home. There’s also incredible glow-in-the-dark putty, along with a UV light keychain that makes it possible to draw glowing images or words in the putty itself. You get everything you need to grow your own glow-in the-dark crystal, along with a fluorescent wernerite specimen that glows when you shine your UV light on it. Instructions for each activity are included in the kit, as well as a complete learning guide that teaches all about crystals, slime, putty, and fluorescence. Warning Message: Warning: Not suitable for children under 3 years The National Geographic Explorer Science Series Earth Science Kit is a must-have for any promising young scientist! Contains 5 exciting activities. Comes with a handy storage case for all your specimens Learn the science behind crystals, volcanoes, tornadoes, and gemstones with the help of the full-colour learning guides. Suitable for ages 8 Years+