Why not try some of these?
Landmark is an adventure playground that will keep the kids happy for hours
Check out these companies/estates who will organise loads of activities including quad biking, canoeing, white water rafting, zip wire, rock climbing, abseiling, waterfall climbing, archery and clay pigeon shooting to name but a few:
See the zip wire at Adventure Park Aviemore (g2outdoor). Excellent fun!
Photo credit: Landmark Park