Sounds all good matey, will watch this space then
As for obstacles, the usual are large tabletop style jumps and little kickers.
How about a 90 degree built up tabletop corner, they are usually a favoured feature indoors?
We built ours in sections for Arena X venue so its easy to move about and store when needed.
Or this went down well yesterday but might be hard to get level outdoors or store:
