They are Stained Oak. Go price some stained Oak pedastals and see how much they cost. Oak furniture is expensive. If they were particle board or pine maybe they would cost less. Go to a furniture store and see what things cost.
Most Kiosks are custom built by companies that specialize in this sort of thing.
I think it may be possible to get a podium for a couple hundred at some kind of country style craft fair or something like that. You can probably find a custom cabinet maker that can make you something a little cheaper than $1,000.00. The rest is a screen, and a computer and some speakers and the touchscreen software and screen overlay.
Samsung has some TV's out that use a remote and they have apps that work on TV's now. I wonder if you can just program an I-pad to do the same thing. Call it an I-Pad Musical Docking Station.