This rainbow windmill is absolutely stunning each foam arm is stuffed with bright led lights which look amazing when spinning each bulb flashes in sequence to create various flashing swirling patterns weve improved the design of our rainbow windmill for longer lasting flashing fun from each and every oner r 3 x aa batteries included and fitted ready to gor soft and safe foam armsr stunning swirling flashing patternsr suitable for children ages 3 and us big kids toor en71 cert