3 experiments in total. With this fun STEM kit, you can make a spinning antenna, launch a rocket, and create a particle analyser. Rearrange the boards to organise the modules in your own way! , , Educational STEM toy. Learn the principles behind electricity, circuitry and engineering as you run the included experiments and even design your own. Powered by batteries. Each experiment requires AA batteries (6 in total and not included) to power the modules. You must connect batteries to run the experiments. The Discovery Mindblown Circuit Space Station Galactic Experiment Set is designed for children ages 8 and older. Please read the enclosed instruction manual's warnings and safety information to ensure safe operation. Play and Learn. At the intersection of inspiration, curiosity and STEM-based edutainment, Discovery Mindblown toys help spark the imagination and promote the development of science, technology, engineering and math skills.