La Tiendita 120 1/2 N Main St, Lake Elsinore, CA92530 Formerly Rainbow Party Supply, La Tiendita is located inside the historic downtown district in Lake Elsinore. La…More Tiendita is a party supply store that specializes in decorations, balloons and pinatas. The brightly colored store front location is filled with Mylar balloons, multi-colored latex helium balloons, party hats, noise makers and more. La Tiendita also offers baby clothes, strollers, barrettes and styling pins and miscellaneous party necessities, such as batteries, flashlights and soft drinks are also available. Customers can rent folding tables and chairs and helium tanks.