Ranger Rick, geared for ages 7 – 14
Your Big Backyard, geared for ages 4 – 7
They are both put out by the National Wildlife Federation.
Here is a link to the magazines: http://www.nwf.org/ChildrensMagazineCenter
We have gotten Big Backyard in the past when DD was 4 and she loved it. We haven’t gotten the Ranger Rick but I am sure it is excellent too and would like to subscribe some day soon.