I got the set-up from Herpshop, it was $80 in the sale, but I think they are usually $100.
It's around 3 foot by 2 foot which is fine for a pair.
I always have a job finding them in there amongst the decorations and have that horrible stomach lurching moment where you think there have miraculously gotten out, only to see an eye staring at me through the undergrowth!
Glad the angle is going well, get him one, He'll love it!!
:0)