This kit contains all you need to build a working DC motor include tools.
Build the commentator with two contact pieces. 
It is a device that’s been used for over 40 years to teach principle of the motor, packed on plastic case which also is the base of the motor, sale individually unassembled.
Learn its parts from the inside out. 
Product Weight:0.4kg
Overall Size:150x100x30 mm

Science Lab Supplies is a leading Toy Motor Kit manufacturers, suppliers and exporters that offers wide range of Toy Motor Kit at most competitive prices.

Toy Motor Kit

SKU: SL-574