AZ IMPORT & TRADING PS52 Supermarket Cash Register Playset for kids PS52 This Cash register play set is filled with goodies. The Cash register comes with a built-in calculator&#44; checkout scanner&#44; conveyor belt&#44; microphone&#44; The Calculator is a great tool for your child to learn about math&#44; especially adding item prices. The checkout scanner lights up and beeps when the blue button is pushed. The Conveyor belt can be moved up and down.