Each experiment is easy to conduct and a whole lot of fun! S.T.E.M PLAY FOR KIDS - Build and erupt a volcano, crystal growing,holographic projection, rainbow walking water and cause some awesome chemical magic physics reactions! 272 EXPERIMENTS in a KIT- Kids will have hours of fun as they explore the multiple experiments and is great to share with family, friends, or classmates; Encourages children to critically think and problem solves.