eBay with bullsesye deals has the Melissa & Doug Freestanding Wooden Fresh Mart Grocery Store Role Play Set for $43 - $5 off coupon (check "Apply coupon" box) = $38 with free shipping.

Fun looking set comes with a beeping "scanner," 22 wooden chunky grocery items with barcodes to scan, bankcard, reusable double-sided grocery checklist, and shopping tote.