Useful eyes with washers for toy making. 1 Pair = 2 eyes and 2 washers. 5 Pairs = 10 eyes and 10 washers. Toy & Bear Making. 10 Pairs = 20 eyes and 20 washers. 50 Pairs = 100 eyes and 100 washers. 250 Pairs = 500 eyes and 500 washers.