MMP Living Slime & Putty Lab - Goo Science Kit Make Boiled Boogers, Burping Blood Clots, Shimmer Slime Putty and Fart Slime Putty Create Jelly Worms, Tadpoles, Wrinkly Leeches and Popping Fish Eggs All materials are included - 30 pieces for over 12 activities and experiments that can be repeated multiple times Learn about calcium salt action, cross-linked polymers, ion diffusion and gels STEM learning toy