4WD 2 Layer Robotic Kits

Including:

1x black acrylic chassis case  104*197mm                                                         

4x  'L' size TT motor DC6V 190rpm,gear ratio 48:1                                                               

4x  Mecanum Wheel 60mm*31mm                                                                 

4x coupling+screws                         

(expanding Arduino Microbit )