Put this robot mini vehicle together, then add salty water to the specially designed battery cartridges and off it goes! It’s amazing! Contains arm x 2, battery holder, chassis, spoon, upright, pivot, battery cartridge x 2, axle with gear and wheels, axle and wheels, a bag of active carbon, dropper, cup, screw x 2, motor with wires and contacts, magnesium sheet x 4, fabric sheet x 4, copper sheet x 2. You will also need from home: table salt, teaspoon and screwdriver.
-46%
4M Green Science – Salt-powered Robot
$9.42 Save:$8.00(46%)
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