While they are undoubtedly the most well-known fast food chain in the US associated with kids toys, they are not the only one. Burger King, Wendy's, Hardee's/Carl Jr.'s, Dairy Queen and Taco Bell (occasionally) also offer kids meals with toys or toys for food purchases. Smaller regional chains such as Red Rooster also get in on the act, too.
Removing the McDonald's/happy meal tags from this series of images.