About This

• When you put the radiometer in the sun, the vanes will keep spinning.
• It is a creative we can send it to our friends or family.They will love it!
• Put it in the office or the living room is very beautiful.
• It is also a good physics teaching tool. It can visually show that light can be transformed into power.
• It is made of glass,so it is fragile. It is suitable for children over 14 years of age.