SET 2: Weather (Kit 4) — Solids, Liquids, and Gases (Kit 5) — Volcanoes (Kit 6) BECOME A METEOROLOGIST, CHEMIST, AND VOLCANOLOGIST ALL IN ONE SET. Mix solids and liquids to create gas, a bouncy ball, and goop. Make a weather station with a barometer, wind vane, rain gauge, and thermometer. Watch raisins dance. Feel real pumice. Build a volcano and finish this set with an eruption that Young Scientists will want to repeat again and again.