The cannon and octopus acts as seats. so thing of them as new type of silly chairs.
don't think the ball does anything perhaps it too was suppos eto be a silly chair. but i think its just a statue for decorating, like the neki neko and the vases.

@devi >| you need a designer. fufufufu let fonni design your tent. for 5 million bajillion rubies *evil smile*