Theresab2021
Theresab2021
14.06.2020 • 
Mathematics

does someone know the name of this its from " science museum " and is DC : 9V i give brainliest pls help me find info on its name and what it does here are some pics of it


does someone know the name of this its from  science museum  and is DC : 9V i give brainliest pls

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