DIY: A Solar Powered Toy Train: had some bottles, made a solar train out of them. each SB is 1.4 volts and the 3rd one is for amplification of both. let me know if you had any questions, my email address is on my channel, here are my other projects: www.youtube.com Tip: for the solar board and motor, search the keyword (Elekit) on google.if you want to make one by yourself.
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