Have some fun in the sun with these Water balloon pumps and balloons! Simply fill up the tank with water after removing all the balloons. Pump three times to release the air, attach the balloon to the nozzle and lightly compress the trigger!. 1 x Aqua Splash! Water Balloon Pump. Includes 500 Balloons. Available in 2 colours. H 28cm x W 11cm (approx)