You can use this poppy template for display or for crafts. It comes in a variety of sizes in this three page PDF file. The outline of the petals is of course simple enough for children to cut out by themselves.
Write about Remembrance Day or Anzac Day on this writing paper, choosing from blank, lined or handwriting lines versions. All have a banner with the words "Lest We Forget" at the top, and poppies for remembrance.
This pretty poppy design scrapbook paper is perfect for backing your Poppy Day writing projects. It would also work well as a booklet cover; just fold in half over some blank paper and staple together.