FLCPJGV Educational Solar Light Pressure Windmill Solar Power Crookes Radiometer for Gift, Clear

Description

• Principle: When the light black fan absorbs heat energy, white fan releases heat energy, it can promote the four fans rotation.
• 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 magical science exploration teaching instruments.
• Automatic rotating: It will rotate automatically under the sunlight or strong irradiation.
• Material: made of glass, purely handmade a high borosilicate glass craftwork

Description:

- Material: made of glass, purely handmade a high borosilicate glass craftwork
- Automatic 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 magical 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/5.12inch
Ball diameter:7.5cm/2.95inch
base diameter:6.5cm/2.56inch

Package Includes:

1 windmill

Note:

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.

Shipping and Returns

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