It's been awesome. Really awesome. My only disappointment is that the pass only last for one day after you use it. I only got to use it twice with the long lines and navigating the city on foot or cab to get here and there. Still, it's been a great experience, and I would recommend it to anyone.
It's a great deal but I would purchase the city pass instead because with those passes you don't have to wait in line. The waiting times to enter some of this places are really long.
Amazing way to pick and choose your way through the VAST amount of things to do in Chicago. Cutting the lines is also a bonus! So glad we bought this!