On shaped board pages with over 60 flaps to lift. On board pages with flaps to lift. On board pages with flaps to lift Under the sea：with over 80 flaps to lift How things work：with over 90 flaps to lift See inside noisy castles：with over 50 flaps to lift First 100 words : over 60 flaps to lift Look inside a farm：with over 50 flaps to lift See inside planet earth :：with over 80 flaps to lift / On tabbed board pages with lift-up flaps