A simple sort by color activity for toddlers. This is simplified to make it as easy as it gets for toddlers just learning their colors.
I did this activity a couple years ago at Christmas with Henry. I found it on No Time for Flash Cards.
Henry and I were having some great quality, quiet time together while George was taking an early nap. We were playing with his Imaginets, matching patterns and shapes. When he started to get bored with that, I mentioned doing some patterning