Kit4Curious presents Double Solar Power kit. You can use Solar panel as power source or you can optionally use AA holder and AA batt in case of no sun light is available. You can make solar science projects along with other projects. The kit includes 2 Solar Panel 2 Solar motor 2 Sound buzzer 1 AA Holder 2 2-core wire 2 1-core wire 4 LEDs 4 Switch 2 AA Batt 2 4-blade fan 1 3-blade fan