Smart Car Chassis 2wd Robot Tracing Strong Magnetic Motor Car

Package contains:

2* Base Board
2* The Wheel
2* Deceleration DC Motor
2* Speed encoder
4* Motor bracket
2* Universal wheel
4* 30 mm copper column
4- 30 mm round head screw
8* 8 mm double pass the pillars
8* 16 mm round head screw
4* 8 mm round head screw
18* Nut
Diameter 14 cm