Yeah, I had to make it small so I could port it around, and fit it into rooms since I don't have my own. I might have to find a nice building and gut it so I can install it permanently. The photon waves might stabilize better if they've got a solid foundation instead of a mobile one.
[It's still fairly large, coming up to Richie's chest and being about two average persons wide. He had to literally push it into the building.]
Ready to try it out? All I need to know if what kind of course you're looking for. There's nothing super fancy like a hologram to another planet, but I can throw in some buildings, fake people, however many jumps, hurdles and obstructions in the field you want.