This is a 3D printable toy, the front wheels actuates the head and the back shaft can be configured to actuate the tail. it is possible to attach 4 N20 geared DC motors to the unit or two plane shafts can be used for the wheels. In my example, I have use 2 motors - from only.
The tail can also be actuated using a servomotor - 9G Micro Servo.
The author marked this model as their own original creation.