COLUMBIA KIDS

COLUMBIAKids is a free online magazine that features exciting,
interesting, and informative articles and stories based in
Pacific Northwest history. Our target readers are children up
to age 14 who live in the states of Washington, Oregon, Idaho,
and Alaska, but we also welcome subscribers from all over the
world. All articles considered on spec. Features- Length:
800-1,200 words each; $200. Departments 200-800 words each;
$50-$500.

http://columbia.washingtonhistory.org/kids/spring2010/guidelines.aspx