Dumbot

I called this Dumbot because it can only move forwards and backwards, it can't turn.

2 of each type of wheel
2 hubs
1 axle
1 frame 1
1 frame 2
5 1/2" #6 screws
3 #6 nuts
1 4.5 V battery pack
1 motor (Sparkfun Hobby gear motor, the yellow ones)
2 tabs of hook and loop or Velcro
4 hair ties from Dollar store