I am a big fan of hands on science-y things. I used to volunteer at San Jose's Tech Museum of innovation (check it out!) every week for 2 years and I was never bored. So when yelp told me there was a hands on science place in Arizona, I had to go.
Pros -
1. It's big! It has 4 floors and about 4-5 galleries.
2. It's very interactive. Somehow, they manage to make sure each exhibit has a button you can press or a panel you can lift.
3. Kid friendly. Bring your kids. But not the bratty ones. Those can stay at home.
4. Variety. It had a gallery on construction, a Lego gallery, one of the sun, and some psych related stuff! =)
Cons -
1. Parking. It's either expensive meters or the parking garage (go for the garage and get your ticket validated)
2. It's not expensive, but it's not super cheap. I think it was $12/adult, which is alriiight.
Overall, it's a good place to explore, but once is good enough for me.