CollectorsWeekly.com, Antique-Antiques.com and RedWagonAntiques.com have information on buying, selling and collecting children's antique wagons. Some sites specialize in specific types of antique wagons, such as red wagons or farm toys, while others have extensive information on various types of children's pull toys.
Red Wagon Antiques specializes in collectible farm wagons and toys from the 1950s and 1960s with offers to purchase single toys or whole collections from individuals. Antique-Antiques.com has specific information about Radio Flyer wagons and offers an evaluation service for old toys. Collectors Weekly has a large listing of wagons and pull-toys with direct links to items listed on eBay.com and current bid information.