DIY Mini Hand Crank Generator DIY Science Experiment Kit & Education Model Toy
Features: By shake the by hand,the generator is driven-to rotate, and the output power is realized.
Interesting science and education works, exercise manual brain ability, show hand-cranked electricity function, light up low-power bulbs.
Exercise your children practical ability,train your children observation capability,thinking and analytical skills
Quality material,the hand crank generator make of material,durable.fashion.
Wonderful sweet warm for kids,students.

Specifications: Material:Wood

Package Includes: 1 Diy Hand Crank Generator

note: Please allow 1-2cm errors due to manual measurement.
Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.