BUILD WORKING GIZMOS & GADGETS: With this circuitry set from Discovery #Mindblown you can build a working space station while learning about electric circuits! All you need is this kit and 6 AA batteries (not included) to experience pure electric fun. 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 organize the modules in your own way! EDUCATIONAL STEM TOY TO LEARN ABOUT ELECTRICITY AND CIRCUITRY: 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 total, not included) to power the modules. You must connect batteries to run the experiments.