Radiometer

Nature's Workshop Plus Verified independent store

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A what? Radiometer is just a fancy name for this Solar Engine. It demonstrates the principles of energy conversion and shows how heat and mechanical energy are products of energy c onversion. It sleeps at night, but spins up to 3,000 rpm in direct sunlight or in front of an incandescent bulb. The 5" high clear glass bulb is 3" in diameter, and ready for action. List of activities included. Ages 8 and up. WARNING: CHOKING HAZARD - This kit contains small parts. Not for children under 3 years. Show more