http://www.wildrepublic.com/lessonplans/
This is legit. I received this offer in August through a flyer at my school and was surprised to see it online. They send legitimate school personnel two wonderful stuffed monkeys (which I have seen at Borders selling for $11.00 EACH) and terrific lesson plans about the rainforest.
To access the freebie itself, scroll down on the home page to near the bottom. There's a big purple oval with a yellow lining that says "Free Plush Animals."