www.thebmc.co.uk/
www.nicas.co.uk/
www.climbing.com/
give these people a ring and ask for posters, press packs, school packs.
www.ordnancesurvey.co.uk/
flat sheet large scale of the Scottish mountains,
climbing holds lots of fun ones
thick sheet of marine ply, lots of holes, so you can move them about, fix to a frame. pop along to your nearest nicas wall, have a look.
we use to have a double mattress on a futon base with two sheets of marine ply, (bull nose off the edges, and paint and varnish, on a frame fixed on the wall, couldn't go high, it's the holding on that you practice, one move is enough, so DC could hold on above the bed.
No long rope(accidental hanging),
and there are so many brilliant (cheap) climbing DVD out there, make sure he gets a few,
my children are obsessed with climbing, great sport.