VITSZEE, Kit includes 2 Solar Panel, 2 Solar motor, 2 Sound buzzer, 1 AA Holder, 2 2-core wire, 2 1-core wire,3 LEDs, 4 Switch, 2 AA Batt, 2 4-blade fan, 1 3-blade fan Kit can be used to demonstrate Solar energy conversion to Light, Sound and mechanical energy All components provided are OK tested and reusable for your projects Make your school and hobby projects related to Solar power generation and Solar applications AA Holder and batt provided for indoor experiments or for the experiments when sunlight is not available