Hutchinson Kanas... Finding things to Do around or Near town!

I would like to get some Ideas on what our kids can do for this summer. This is really NOT a Tiny town it is small BUT there has to be more to do around here or even out of town but some what near?! I hope!! I'm running out of ideas, places and things to do and have already been bored with Summer coming I want the kids to be free to play and learn and grow without getting in trouble or being on a computer all day!