DORAMI Clear Solar Power Crookes Radiometer Sun Light Energy Spinning Vanes

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When you put the radiometer in the sun, the vanes will keep spinning.
Put it in the office or the living room is very beautiful.
It is a creative gift, we can send it to our friends or family.They will love it!
It is made of glass,so it is fragile. It is suitable for children over 14 years of age.

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