The National Geographic Explorer Science Series Earth Science Kit is a must-have for any promising young scientist! Featuring 5 activities, kids will love making their very own erupting volcano, growing their own crystals and more. Magic in the details... 5 exciting activities Create an erupting volcano, experiencing the magic of chemistry as the eruption powder reacts with water Watch as the potion of water and crystal-growing solution grows into a crystal Special crystal-growing formula means crystals can fully grow in as little as 3 days Includes pyrite dig brick Additional rock and mineral specimens in the kit are the perfect start to a rock collection Specimens include: snowflake obsidian, tiger's eye, green fluorite, pumice, desert rose, blue calcite, a geode, and agate Tornado tube allows kids to create water vortex Comes with a handy storage case for specimens Learn the science behind crystals, volcanoes, tornadoes, and gemstones with the help of the full-colour learning guides Created by Bandai The bare necessities Warning: not suitable under 36 months due to small parts Warning: this set contains chemicals that may be harmful if misused. Read cautions on individual containers caredully. Not to be used by children except under adult supervision