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Elastic Energy Prop Racer Provide your students with a fun activity that will teach them about speed, power, and energy through a simple machine. This creative collection of materials enables students to construct their own rubber band-powered prop racer – a...
CHF 9.00 * CHF 18.00 *
Electric Energy Prop Racer This unique vehicle is part plane, part car – although it moves on wheels, it is battery powered and mobilized by a plane propeller. The kit includes CDs for wheels, CD hubs, balsa wood for the body, a battery holder, and a propeller....
CHF 10.00 * CHF 20.00 *