No, they don't sell flea's at flea markets. Flea markets are a collection of sellers who come together in an open marketplace. Everybody can find something at a flea market. To ensure the success of your flea market you need to attract a large number of customers. Consider ordering a few customized flea market signs and place them at intersections around town. With Sign.Builders you can create your own customized flea market signs online using our professionally designed templates. Create your sign and select what size and type of material you'd like it printed on and place your order. Your custom sign will be shipped to you within 48 hours (or sooner if you select rush service).