✔ BUILD WORKING GIZMOS AND GADGETS: With this circuitry set from Discovery #Mindblown you can build a working rocket launcher while learning about electric circuits! All you need is this kit and 2 AA batteries (not included) to experience pure electric fun. ✔ BONUS ACTIVITY: Connect the circuits of the LED alarm beacon to light it up and alert the crowd of the impending rocket launch. ✔ EDUCATIONAL STEM TOY 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: The mini experiment requires 2 AA batteries (not included) to power the module. You must connect batteries to run the experiments. ✔ FOR AGES 8+: The Discovery #Mindblown Rocket Launch Space Station Circuitry Set is designed for children ages 8 and older. Contains small parts. Not suitable for children under 3 years. Please read all warnings and safety information in the enclosed instruction manual to ensure safe operation.