Magnetic number Fishing. They add what they catch.
DIY salt tray with alphabet cards: this is worth clicking to see how easily she re-purposed an old box, well as to see the beautiful watercolor letter cards she made (you can, too!).
Paint in a bag - what a great way to practice spelling words and drawing with added benefit of a calming effect.
How to Make Paper Mache Letters
Counting Activity Using a Geoboard
Pepperoni Pizza counting page
Putting the right amount of beads on numbered pipe cleaners.