I just ordered the teacher's manual & student packet, then made my own letter tiles. We've been fine without everything else. And actually my son, who was 5 when we started AAS, requested that we stop using the tiles after about a month, making me really glad I hadn't spent the money on the "real" tiles. I know it's probably odd, but he found using the tiles tedious and preferred to just write the words on a dry erase board, or on paper.