Activity for Alicia

So we are having an outdoor reception and there will be about 10 kids ages 3-6! Anyone have any ideas that we can do for them to have fun besides dancing? (Remembering the budget here)

Okay people so this bride to be is on a very tight budget! The reception is going to be in our backyard! I am looking for options under 200$ to do for dance floor! The yard is fine but many people would not dance if it was just the grass! So...