Artisan Maxbell Solar Power Crookes Radiometer Home Desk Spinning Vanes Decor Blue Fine Crafted

Description:Material: made of glass, purely handmade a high borosilicate glass craftworkAutomatic rotating: It will rotate automatically under the sunlight or strong irradiation

Wide application: fun science gift desk ornament

It can be used for decoration, decoration, teaching, simple and generous shape, developing creativity

Educational: Made of glass with an internal vacuum

Through the light can be turned by itself, through the cold wind can also be turned in the opposite direction, a al science exploration teaching instruments

Principle: When the light black fan absorbs heat energy, white fan releases heat energy, it can promote the four fans rotation

Size Chart:Height:13cm/5

12inchBall diameter:7

5cm/2

95inchbase diameter:6

5cm/2

56inchPackage Includes:1 windmillNote:1

This is not infant toy, please take away from children to avoid eating

2

Please allow slightly errors due to manual measurement and different monitors