Under the sea：with over 80 flaps to lift See under the sea :: with over 80 flaps to lift / How things work：with over 90 flaps to lift See inside Science：with over 50 flaps to lift Look inside a farm：with over 50 flaps to lift See inside noisy castles：with over 50 flaps to lift With over 80 flaps to lift Look Inside Space：with over 70 Flaps to Lift On shaped board pages with over 60 flaps to lift. See inside planet earth :：with over 80 flaps to lift /