Young mad scientists will love experimenting with this coolest and most gross science kit! It's Alive! Slime Lab Gross Science Kit by SmartLab is a fun chemistry kit that allows young scientists to experiment with goo concoctions. This weird science kit includes a unique motorized slime testing machine, Slime-O-Nator. This slime lab machine makes the slime move, dance, grow or mutate. The other components included in this Educational Toys Planet's gross lab kit include graduated cylinder, goo poker to stretch or bend the slime , special measuring spoon, mixing bowl, and a dropper. The slime lab set features 16-page illustrated activity book that guides you through 20 funky science projects that use common kitchen ingredients. The kids mad scientist projects from It's Alive! Slime Lab Gross Science Kit teach the science behind the fun. Children can explore the disgusting side of science while learning about chemical reactions, polymers, diffusion, gas expansion and more! The Slime-O-Nator machine requires 4 AA batteries (not included).