I put together this lesson on the Eucharist with a little zine for our kids at church. I tried to make the book appropriate for a broad age range. It simply explains the Eucharist, with quotes from the services, and bubbles telling the children ways they can participate in the Liturgy, with an image to color on each page.
It prints on one page. Fold the paper in half, in half again and in half again, then cut just the center vertical fold. Then you can fold it into a zine. More precise instructions are here. I love this easy zine template and make books for my kids frequently with it.
Grab the png above or the pdf with teaching notes is embedded below. Print at actual size (not scale to fit).