For our final project in POE we had to get into groups of three or four and create a marble sorter. Our constraints were very broad, we had to use VEX parts primarily and atleast 4 means of seperating including 2 mechanical and 2 electronic. The marbles we choes to serperate were 3 clear glass, 3 red glass, 3 steal, 3 wood, and 3 delrin/plastic marbles. After all the constraints were figured out we set to work.