The main skills I was doing with this unit were:
Letter S, #6, hexagon - plus all the other skills for a preschooler or early kindergartener.
Below are some of the things we were doing that were NOT printables.
The science teacher in me HAD to do the borax crystallized snowflakes with them. I didn't measure anything out. I boiled hot water in the jars and then kept spooning the borax.