What travel agents do skeleton bob holidays in Europe?

I really want to have a go at skeleton bob, never done anything like it, so I'm trying to track down a travel agent in the UK who provides this kind of holiday, but so far not found anyone. Has anyone been on this sort of thing and can recommend an agent?What travel agents do skeleton bob holidays in Europe?try this

http://www.theultimatetravelcompany.co.uk/sys-bobsleigh.html