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Learning while playing! Every kit on this bench is built by hand, no soldering iron needed.

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CYOEST Solar Power STEM Kits

Racers, fans, planes and wind cars that run on sunlight, a battery or a breeze. Several builds per box, punched out of basswood and wired without solder.

6 kits · Ages 8 to 13

This is the busiest corner of the bench. Each box holds several small machines, so one afternoon can cover a solar racer, a wind car and a fan that spins under a window.

Start with a four-model box for a single builder, or reach for the eight-model sets when siblings, cousins or a classroom table want to work side by side.