The Mary Owens KA300 KopyArt Projector has the ability to enlarge up to 400%, unlike it's predecessor the 300XK which was limited to 300%. It also has a swing arm attachment that allows the ability to project side to side for mural-size reproductions. This is the projector of choice! Mary Owens Projectors are $225.00 Retail plus $15.00 shipping as they are sent directly from the vendor. This makes the total cost of the machine with shipping $240.00.