3X Green Solar Power Radiometer Crookes Solar Energy Spinning Vanes Windmill Gift Home Desk Decoration

Please kindly noted that this item is sold by starrysky from Joybuy marketplace. The stronger the light the faster it turns. If possible place it on a window sill or other place with strong light. When you put the radiometer in the sun the vanes will keep spinning. It is made of glass so it is fragile. It is suitable for children over 13 years of age. It is a gift send it to our friends or family.They will love it! Put it in or the living room is very beautiful. Material:glass colour:Transparent green Package Contents: 3 x Radiometer Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.