Here's the sand pendulum....of course little man just wanted to keep shoveling sand and couldn't careless how the pendulum worked.
There was also a very cool water exhibit. It had a fishing tank where the kids 'caught' magnetic fish and boats. There was also a real neat huge bubble ring that I wish I got a photo of. Here's our two water painting.
Imagine Nation was a great family outing and a great value. I definitely see us going again this summer.