Here is a list of some of the hands-on activities:
Eclipse Chalk Art
How do Eclipses Work? The Yardstick Eclipse
Earth as a Peppercorn: Size and Scale of the Solar System
How Big is Big?
Make Sun S'mores!
Let's see light in a new way
Living in a bubble: Play with magnets and compasses
Sunburn: Ultraviolet Light Detectors