This is one of my small projects, started from a couple of things lying around.
The motors are from a couple of battery powered tooth brushes and the base is from a cell phone charger.
I'm building the circuit using a 14m and sn754410 motor driver.
same as the other two guys wrote you. unless those toothbruch motors have some special ability it wont be able to move and if yes, it will be tough job to control it, because movements will be jerky.
i once tried making a bot with ordinary small DC motors from some toy car (they looked quite the same and it there was just chasis with motors and H-bridges it looked like it should be able to work, but after i put batteries on it, it was too heavy.
i am curious what are those motors of yoursgoing to behave like :)