Will SpongeBob stop wearing square pants? Shop with him to find out! This fun-filled Play-a-Sound book lets little Nick® fans learn about money and adding while they read and play. The original storybook includes barcodes throughout for kids to scan and see the price on the screen. The working cash register then totals the purchases. Kids can then pay with the play money inside or with their pretend credit card. And with the one-and-only SpongeBob SquarePants as the star of the show, kids will want to shop until they drop!