I found these playdough counting mats from Making Learning Fun. Since they are fairly small, I was able to fit two on each page. I used the numbers 0-5.
Since there was a blank page behind the numbers 0 and 1, I also printed the chicken magnet page to go there.
Trip wasn't so interested in this activity the first time we tried it, but the nice thing about having laminated materials is that we can save them for another time and keep trying. We got two eggs on the 2 chicken and then he decided he was done and started putting the playdough away.