yep even from the Bilt-Hamber Laboratories website its £13.90 delivered for 200g
i would try the soft first as i found the medium a little to hard,
i found the soft did the job well and was very easy to use especially for my first time.
just dont do what my mate did, and try to re-use it after he had dropped it, put a massive scratch up the wing.
"if you drop it, bin it"
yep defo!
cut the lump of clay into smaller pieces so if you drop it you don't waste it all