BESPORTBLE 4pcs Hand Generator DIY Generator Model Electricity Generator Crank Sink Splash Guard Hand Crank Generator Handheld Models Power Kit Education Magnet Battery Primary School Motor
$27.29
Description
Pedal generator: simply turn the handle and then the electricity generated makes the bulb light. great for classroom physics teaching demonstrations..Electricity generator portable: the outer casing is made of plastic, which can intuitively understand the principle structure of gear transmission..Emergency power generator: with it, by building science experiments, improving their hands-on ability, thinking ability, creativity..Manual crank generator: mainly used in the physical experiment of middle school and elementary school. great instrument for learning physical experiments..Generator this science tool is perfect for demonstrating the energy transformed from mechanical to electrical.
