Ooo i had a bit of an extreme sports day last year
Did the Jetski...then the matrix (basically getting pulled by a speedboat and u hold on to a Mat!! ..hurts alot when coming off,so try not to

) and then i did the parasailing!!
Began to feel a little sick after all that bobbin up and down haha!
But they are about 40-50ytl which is about £20 as been mentioned.
Bec x