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Signing UpStep 1Gather materials
- small DC toy motor like the CAT# DCM-368 from AllElectronics.com shown here
- small solar cell like the CAT# SPL-61 from AllElectronics.com shown here
- some wire - ideally red and black
- a 4.5" x 4.5" piece of cardboard
- 2 markers or pens
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