The National Geographic Explorer Science Series Earth Science Kit is a must-have for any promising young scientist! Kids will love making their very own erupting volcano, experiencing the magic of chemistry as the eruption powder reacts with water. Looking for another eruption formula? There are multiple variations to try in the clear, easy-to-follow instructions. Be amazed as a potion of water and crystal-growing solution grows into a fully formed crystal No Earth science kit would be complete without activities centered on geology, which is why there is a pyrite dig brick in the kit. Finally, there is a tornado tube in this set, allowing children to create a mesmerizing water vortex More than 5 experiments to try including building an erupting volcano, growing a crystal, water tornadoes, geological dig kit and more This National Geographic educational science lab allows your kids to conduct multiple experiments and is great to share with your family, friends, or classmates; enjoy