COMPLETE SCIENCE KIT – Includes absolutely everything you need to create a volcano, paint it, and even make it erupt! MAKING SCIENCE FUN – The perfect hands-on experiment for any science fair. Includes National Geographic’s learning guide so you can write an A+ report REAL VOLCANIC ROCKS – Includes pumice, an obsidian arrowhead, and a geode specimen. Learn all about each unique volcanic specimen HOMESCHOOL CLASSIC – This is a classic STEM project that teaches kids about chemistry, geology, and earth science. It’s a proven homeschool lesson your child will love! RESPECTED QUALITY – Providing children with the best educational toys for 126 years, this kit is backed by National Geographic’s 100% satisfaction guarantee