Question Educating Space to Toddlers to Pre-Adolescence?

[NeoViking]

So, I'm back with more questions. The second stage of four (4) generally agreed upon mental developmental stages for is the Preoperational stage, from about 2 years old to about seven (7) years old. During this time children develop symbolic thinking and language skills. So, based on this:

What sort of activities could be employed to educate toddler to pre-adolescents, targeting outer space?

 

[billslugg]

Compare the apparent size of the Moon when on the horizon and when high in the sky. Explain what an "optical illusion" is.

Put a stick in the ground. Trace the shadow of the tip with a rock to determine a line going from west to east.

Use a tilted ball and a light source to explain the seasons.