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CO2 emission factor
solar panel or via USB
increasingly used in the latest smartphones
Built with two high-efficiency solar panels
The integrated LED flashlight provides basic illumination for indoor and outdoor use
Science Time Helicopter solar toys CO2 emission factorBuild your own solar powered helicopter! The Science Time educational modeling kit is a fascinating adventure combining the science of renewable energy sources with great construction fun. This easy to assemble helicopter model is a great way for children to see hands on how sunlight can be converted into electricity. Place the assembled model in the sun and watch itspropeller start spinning all without the use of any batteries! Main Features and