family is coming down for my birthday...what should we do?!

i live in the king of prussia, pa area. my family (aunts, uncles, cousins) are coming down for my birthday in a few weeks and i dont know what to do. we were originally going to get catered food and just hang out at the house...but then my mom suggested something like dave and busters. i kinda like that idea, but then we dont really get to spend much time together. can anybody think of something that we could do that is in between just hanging out and something like dave and busters?