This activity may be one of my favorite that we did during our Weather Theme. It took a bit of work to get it ready to go, but it got a lot of use and is something that I can save (most of it anyways) for future use. I took the idea of the Sticky Wall that we've done several times in the past, combined with this idea from Pinterest, and adapted it to fit our theme.
I cut out LOTS of little shapes out of foam sheets. I wanted to practice one-to-one correspondence (meaning a child has the ability to match ONE object to ONE corresponding number or object), so I cut out the shapes in sets:
3 Lightning Bolts