Self -traced water balloons: no more difficulties in binding the water balloon in the heat of the battle. Simply turn on the tap and fill. The foam insert floats to prevent water from escaping. Neon water balloons of assorted colors: it is frantic in a water pump struggle, but these bright neon colors really stand out. You will see what is coming and dodge it easily ... if you wish. Easy to use: these self -driving water pumps make it easy to splash your friends in a few seconds. And the seconds are critical in a fast -paced water balloons struggle. These packages are also light, so they fit easily in a bag or pocket.