Montessori Toddler Trays -- How Do You Set Up Toddler Toys in a Montessori Way? Here are some tips to setting up toys and materials in your home to entice toddlers to use and explore them.
Writing in salt I would have so much fun with this. Oh, and the girls might like it too :)
For practice counting and assigning the # to the amount. Do again and again by sweeping up the snowflakes (or whatever is used) and dropping them where they fall. (Although if it's random there might be two of the same number in which case you'd have to have more clothespins.)