Sumo suit or Bouncy Castle?

My 18ths coming up, and I decided it would be a laugh if I hired either an adult bouncy castle or an inflatable sumo suit thing. But I dont know which one? Or if i should at all. What do you all think?

The sumo suits are £75 and the bouncy castle is about £65
Update: To Answer number 2, yes you get 2 suits, ooh and also, the price of the castle includes the power-y thing that makes it stay inflated. :P
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