Thank you all for all the nice compliments. I figure I have about $30 in material for the box. I bought a 1" x 12"" x 3' and a 1/2" x 4" x 4' oak boards from Menards. Not the cheapest route but pretty convenient. Plus I have enough 1" board left to make a base for the wobbler engine I'm attempting. Waiting on a couple reamers to arrive to start the parts for it. This will be a first attempt at an engine and I hope it's good enough when done to give to a friend of mine for a Christmas present. I am going to attempt a trick/fake "boiler" setup made from the compressed air cans used for hand held air horns. I have to figure out a fitting to screw to the can and a needle valve or some way to regulate pressure. I'll post pics when I start turning out parts for it.