Unbox the pleasure of racing and creativity with the Building Blocks Pull-Back Car (B) set, featuring 3 unique models. These colorful cars are designed with building blocks, allowing children to assemble and customize them for imaginative play. The pull-back mechanism ensures thrilling high-speed races, making them perfect for playtime. The set comes with a PDQ display, keeping all parts organized and ready for the next race. To maintain the quality of the blocks, simply wipe them with a damp cloth and store them in the provided display box.