Shine a light on electricity with this fun activity kit! Simply snap specially-designed electronic blocks onto a grid to build a circuit—different assemblies will have different results. A total of 11 projects can be completed with this kit including a light slider, fiber optic light, blinking colors, and adjustable light. Explore circuits and resistors as well as the construction, sensitivity and efficiency of different-colored LEDs. Includes all necessary components and an instructions guide with easy-to-understand directions, explanations, and diagrams. Two AA batteries are required and available separately. A real-world experience that is great for all ages!