Abstract: A water sprinkler comprising a sleeve portion (1, 20, 21) fixedly mountable on a water supply pipe, a rotatable member (2, 22) rotatably mounted on the sleeve, a nozzle device (3, 23) fixedly mounted in the upper portion of the sleeve so as to be coaxial therewith, and a baffle (4, 25) located within the rotatable member, the baffle member being coaxial with the sleeve, the rotatable member having pivotally mounted thereon at least one swing arm (8, 28) carrying at least one shaped member (9, 29) adapted, in use, to lie in the path of water issued from the nozzle and deflected by the baffle.