"Complete Meter Stick Optics Bench"

This quality card slide lets you demonstrate and compare the properties of light waves.

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With a bit of glue, a little imagination, and these skill sticks, your students can build just about anything they can come up with.

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Launch mini hovercrafts with different initial velocities.

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Create your own computer controller dual axis solar tracker in under and hour, using only a screw driver.

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