Young Scientist Series - Set 2:  Weather (Kit 4) - Solids Liquids and Gases (Kit 5) - Volcanoes (Kit 6) Educational and fun for kids Great hands on learning kit Encourages creative learning Kit has everything you need Become a meteorologist, chemis, and volcanologist all in one set 3 complete kits in one box Mulitple award-winning science kits that make science fun, educational, and hands-on All kits are put on the market after it has passed the ulitmate test-approval by multiple teams of Young Scientists Mix solids and liquids to create gas, a bouncy ball, and goop