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solar panel or via USB
CO2 emission factor
High Quality Original Product: You choose a proven solution from EcoSavers®
regardless of the set time program (e
Built with two high-efficiency solar panels
Science Time Helicopter solar toys solar panel or via USBBuild 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