The dial would probably be fairly easy to replicate, I think. A large disc of masonite could be painted white, then with an opaque projector, the numbers and letters could be painted on by hand. Another masonite disc, with circles cut out of it would make a perfect fingerwheel. Not sure about making a number card frame, though. That might be tough. If I had any way to pick this up, I might think about trying for it.