Space walk：lift-the-flap adventures Space walk :: lift-the-flap adventures / Deep sea dive ：lift-the-flap adventures Lift-the-flap adventures Airplane flight!：a lift-the-flap adventure Lift-the-flap adventure Would you dare?：a lift-the-flap adventure Some pages have lift-the-flap features Freight train trip!：a lift-the-flap adventure