Hasbro, Super Soaker Hydro Balls are reusable water-filled balls that burst on impact to splatter water everywhere! They're fast and easy to refill to keep the water-drenching fun going in outdoor Nerf Super Soaker games. The balls are made with a soft, flexible material. This set includes 3 colorful Hydro Balls toys that separate into 2 interchangeable halves, so it's a cinch to put them back together for quick refilling. And filling them up is easy! Attach the halves, dunk the balls in water, squeeze them, and you're ready to go. And after throwing them, cleanup is quick, just pick up the halves and refill. They're great outdoor water toys for 6 year old boys and girls, and lots of fun for everyone.