DIY Light-Controlled Small Fan NO.1 Popular Science Toys Technology Teaching DIY Assembled Educational Toys RC Gift

 Self-assembly of a light-controlled smart sensor small fan, training hands-on ability; and children to do with hand, training parent-child relationship, it must go Oh. This product is a bulk package, need to buy back their own assembly, with installation instructions.

Principle: When the light is bright enough, the small fan can turn up; if the small fan in the day room does not turn, then you can come up with a flashlight or cell phone comes with flashlight direct exposure photosensitive resistance, small fans can immediately turn high-speed up. Light control, not to say that light will be able to turn, but refers to the light intensity to achieve a certain intensity Oh.

Size: Length 7.5cm, Width 7.5cm, Height 15cm

Accessories: battery box, motor, plastic plates, plastic strips, photosensitive resistance

Battery: Since the two AA5 batteries

Weight: about 60 grams