The wheel and axle could be the MVP of simple machines. You couldn't ride a bike or open a door without it. Get the facts about this useful machine and make your own wheel and axle.
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: 9781643690988
: Engels
: Paperback
: 24
: januari 2019
: 450
: 215 x 140 x 27 mm.
: Simple Machines
: Kinderen / tieners: algemeen: machines en hoe dingen werken
