Talking Kiddie Book with Playtime Clock

(No place: No publisher, No date). Hardcover. Fine/Very Good. Presumed first edition. Approximately 7" x 4". Four leaves with squeaky toys enclosed, with a metal clock attached to the last page in a printed slipcase. Fine in a very good slipcase with a split along the top edge, and crease on the end opposite the opening. No date or publisher information. Illustrations appear to be late 1950s to early 1960s. Printed in Japan. Little Sally and Big Sister Betty with their puppy, Mister and cat, Kittie, go through their day noting the time along the way. A friend, Billy and a mouse, Timothy join them.