These are very good picture books for children that are about Chanukah. I will add to this list as I find more.

Simon and the bear: a Hanukkah story by Eric A Kimmel

The menorah story by Mark H. Podwal

Hanukkah Bear by Eric Kimmel

The Count’s Hanukkah Countdown (from Shalom Sesame) by Tilda Balsley and Ellen Fischer