Wow. We only had 2 hours, but plan to come back ...

Wow. We only had 2 hours, but plan to come back next time we are in St. Louis.

Loved the giant Rube Goldberg machine. I could watch it for hours. My daughter and I built a dinosaur fossil, took in part of a show about electricity, and enjoyed building a Mars rover.

Let's face it. Standing on glass over the Interstate or using a radar gun on the cars that pass beneath is pretty cool.