Features:
This is a great electric motor gearbox used for children's cars.

The middle gear is made of metal which is more sturdy and durable.

It will make quite low noise and more wear-resistant.

There are many types for different voltage and speed that you can choose as need.
It will be a great replacement part for your broken or old ones.

Specifications:
Type(Optional): 6V12000RPM, 12V23000RPM, 12V18000RPM, 12V8000RPM, 

         6V10000RPM, 6V8000RPM, 12V20000RPM, 6V15000RPM
Hole Inner Diameter: 1.2cm/0.5in
Quantity: 1
Weight: 483g~515g(approx.)

Package Includes:
1 x Electric Motor Gearbox