On board pages with lift-the-flap. On board pages with lifttheflaps On board pages with one lift-the-flap. On board pages with liftable flaps. On board pages, with lift-the-flap pages On thick card pages with lift-the-flaps Board book with lift-the-flaps Board book with lift-the-flap Board book with lift-the-flaps. On board pages with full page flaps