Kenmore, WA has a park at the north end of the Lake Washington that was recently renovated. They put in a new playground for kids that is very interesting. It has play toys unlike most that I have seen. It should be very popular when the weather becomes warm.
They had a low merry-go-round that you could sit or stand on. You could even carefully run on it as Andrew was doing.
We tried to stand in place and move our weight around to get it to move, but we couldn't get coordinated. We laughed so much!
Here is a video of Andrew on one of the spinner cup chairs. He really got going and was quite dizzy! Funny!