Walmart offers the American Plastics 15-Piece Deluxe Shopping Cart with Play Food, model no. 20140, for $11.99. (Amazon offers it for the same for Prime members.) Opt for Site-to-Store pickup to avoid the $4.97 shipping charge. That's the lowest price we could find by $11. It features a flip-down doll seat and 15 pieces of play food and grocery items.