Crookes Radiometer for Solar Energy Demonstration And Decoration

Description:

- 【Educational Science Toy】: The solar power Crookes radiometer is a nice physics teaching toy, under sunlight or strong irradiation, the vanes inside will automatically rotate

- 【Principle】: Sun light energy spinning vanes, when the sun shines, the black vane surface absorbs heat energy, and the white vane surface releases heat energy, that drives the vanes to rotate

- 【Premium Material】: The solar Crookes radiometer windmill is made of premium high boron glass, sturdy, not easy to break and crack, and ensures a long time to use

- 【Desktop Ornament】: The solar power Crookes radiometer is a nice addition to your home decoration, suitable for decorating the desk, table, shelf, cabinet, entrance, fireplace, office, bedroom, living room, etc

- 【Nice Gift】: The Crookes radiometer is a nice gift choice for kids, family and friends on Christmas, birthdays, parties, festivals, housewarmings, etc

Specification:

- Material: high boron glass Size Chart: Height 21cm/8.27inch Ball diameter 9cm/3.54inch Base diameter 8cm/3.15inch

Package Includes: 1 Solar Crookes Radiometer

Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.