The National Geographic Mega Science Series Earth Science Kit has everything a young scientist needs to conduct over 15 scientific experiments! Kit Activities: Grow Your Own Crystal (in as little as 3 days!), Build Your Own Volcano, Paint Your Own Volcano, Volcano Eruption, Make a Bigger Volcano Eruption, Mentos Eruption, Pop Rocks Eruption, Gemstone Dig kit (with Rose Quartz specimen), Pyrite Dig Kit (Two Pyrite Specimens), Make a Tornado, Dueling Tornado Race, GID Vortex (Tornado Tube), Vegetable Oil Vortex (Tornado Tube), Dish soap Experiment (Tornado tube), See or Read through a rock (selenite specimen), Start a Rock Collection; Examine and Learn about Snowflake Obsidian, Tiger Eye, Green Fluorite, Pumice, Desert Rose, Blue Calcite, Geodes, Agate. There are so many fun activities in this kit that it’s perfect to share. It’s a great way to spend quality family time together, or to use as part of your home school curriculum. Plus, you can learn the science behind crystals, volcanoes, tornadoes, and gemstones together with the help of our full-color learning guide. National Geographic Toys makes the highest quality hands-on science toys, and all products are backed by exceptional service. About the National Geographic Society: With a mission to inspire people to care about the planet, the National Geographic Society is one of the world’s largest nonprofit scientific and educational organizations.