3-10pack DIY Electric Fan Model Science Toys Physics

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Description:

Product material: lightweight ;

Product include: Base, cable tie, battery box, motor, propeller
Applicable age: 6 - 14 years old;

It can be used as a physics teaching experiment, great to cultivate students hands-on ability;

5V battery powered, not included;

Specification:

Material:

Size: approx. 7 x 6.3 x 13cm/ 2.76 x 2.48 x 5.12inch

Battery powered: 2 x AA (not included)

Package Includes:

1 Set of Wind Generator Kits(Assorted Quatity for You Choose)

Center Bearing Bushing Spacer;Iron Roller Skate Wheels Accessories;Inline Skate Wheels Spacer;8mm