The aunt came to visit.

At the Exploratorium in San Francisco. Lots of things to learn about.

Here is a mechanical bicycle. Push the buttons just right and it will go.

Or just turn the wheel by hand.

I got to ride unless I wanted to walk which was most of the time.

Dad gives instructions.

Making puffs of smoke.

Light has many colors.

This one snaps a shot of your shadow.

The exit view of us.