MMP Living Explosive Science Kit: Erupting Volcano & Slime Skull Lab - Everything Included for Multiple Experiments ALL MATERIALS INCLUDED - 38 pieces for over 12 activities and experiments that can be repeated up to 10 times 2 science kits in 1: Learn about acid-base reactions and create carbon dioxide special effects Create Volcanic Eruptions, Cool Lava Flows and Mineral Springs Make Lava Bombs, Booger Bombs, Bursting Zits and Fizzing Eyeballs STEM Toy for Ages 8+