In case you missed this in the long list of ideas, I'm devoting a post to it.
On poster board, draw a picture of a lamb. Divide the body into squares to make a calendar, covering the entire period of Lent. Each day, Ramona will glue a cottonball on that day’s space. She loves this. Here are a couple pictures of last year's lamb:
(In an effort to give credit where credit is due, I must say that the credit for this goes to someone else. I just wish I knew who! I saw a similar ideas in a little newsletter years ago. They suggested gluing cotton balls on a paper plate lamb, but I made our wall calendar instead. So, whoever you are ... you inspired this wall calendar, and we thank you!)