Cash Register Grocery Store Check Out Furniture w/ Monitor | Made of LEGO Bricks | eBay
BrickLink - Part 3039pb031 : LEGO Slope 45 2 x 2 with Blue and White Cash Register Pattern (Sticker) - Set 3825/3833 [Slope, Decorated] - BrickLink Reference Catalog
BrickLink - Part 60980c01 : LEGO Duplo Sound Effects Brick 2 x 4 with Slope with Cash Register Pattern [Duplo] - BrickLink Reference Catalog