One good blade check is take a block of wood and cut a 1/16th deep cut in it then turn the wood upside down and see if the blade falls right in.If it does your righ n the money for doing puzzles the come apart front or back.
Hi Marg,I bought stickers from wally mart for a buck and put the on 3/4 ply and cut around them and the glued them on the projects,thanks for the compliments !