See inside noisy castles：with over 50 flaps to lift See inside Science：with over 50 flaps to lift See inside planet earth :：with over 80 flaps to lift / Look inside a farm：with over 50 flaps to lift See inside science :：With Over 50 Flaps to Lift Look Inside Things That Go：with over 60 Flaps to Lift See inside recycling and rubbish :：with over 60 flaps to lift. Under the sea：with over 80 flaps to lift Look Inside Space：with over 70 Flaps to Lift How things work：with over 90 flaps to lift