Snap Build a Model with two Solar Powered Dragonflies This Solar kit teaches children the benefits and fundamentals of solar energy while they create a toy that is both fun to build and to play with and that requires no batteries. This Solar Kit is an excellent beginner building kit designed to teach how solar power is used to drive a small motor. Include snap together parts (no tools required to build the models). Help from an adult to separate the plastic pieces and assemble the solar panel box is recommended. Note: A 100 Watts incandescent or equivalent halogen light bulb can be used to check if everything is connected and working properly. The product will not run sunlight on a cloudy day, shaded locations, indirect sunlight or under a Fluorescent light.