How many minutes does it take to sweep up? How many seconds before the fish have eaten all their fish flakes? Satisfy the young child’s need to understand the passage of time with a large-scale timepiece the youngest child can operate independently. Functional and uncomplicated, with one green “go” button, one red “stop” button, and one yellow “clear” button. Big digital display in a rugged, plastic housing (3" dia.), strung on a 17" nylon breakaway cord. Battery included.