DIY Dynamo Generator Model Wood Assemble Toy School Project Scientific Physics Experiment Material

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Features:

-> Healthy and Eco-friendly materials,edutainment.

-> DIY science kits,we allow children to construct objects , builds motor skills, and enhances creativity.

-> It Can excite children's curiosity and promote imagination, developing intelligence, exercising the ability of using hands and brain.

-> Through experiments,we can foster kids sharp observation ability, deliberate thought ability, strong practical ability and creation ability.

-> Parents and children to assemble it together to improve parent-child relationship.

-> It's useful for keeping track of unproductive habits, like play phone and online game for a long time.

-> Increase the fun between children.Very nice gift for them.

 

Specifications:(3 Selections For You)

1. DIY Hand Crank Generator Bulb:

Material:Wood

Power:Hand Crank

Size:14*7*8 cm(L*W*H)

Recommended age:Over 4 years old

Working principle: When the handle is turned quickly, the large pulley rotates, and the belt drives the small pulley on the motor shaft to rotate, the motor rotates at high speed to generate direct current, and the current passes through the circuit board for voltage regulation and output to the light bulb, thereby lighting the light bulb.

 

Package includes:

1 * DIY Hand Crank Generator Bulb