They are simply sharing information with visitors. Sometimes these sites do sell products. Education sites are developed by schools. These sites usually do not have products to sell. Commercial sites are developed by businesses.
Commercial sites share information, but they also have products to sell.
Disclaimer FirstGov for Kids is a gateway to other information resources. That means that when you click on our list of links, you will be leaving our site. The sites we link to may be selling services or products. By linking to these sites, FirstGov for Kids is not endorsing these services or products. As a gateway, we are not responsible for writing or maintaining the information on the sites that we link to.