NERF SUPER SOAKER HYDRO BALLS: Reusable water-filled balls burst on impact. Fill them with water and they burst apart when they connect with a target, splattering water everywhere QUICK AND EASY TO FILL AND REFILL: The balls have 2 interchangeable halves. Attach 2 halves, dunk the ball in water, squeeze it to add the water, and you're ready to go INCLUDES 12 NERF HYDRO BALLS: This set comes with 12 balls in 3 colors exclusive to this set. The balls separate into 2 halves, and the halves are interchangeable, so it's easy to keep refilling them as you play SOFT MATERIAL: Nerf Hydro balls are made with soft, flexible material for lots of blasting fun EASY CLEANUP: Play more, clean up less with reusable Nerf Super Soaker Hydro Ball toys. After the balls burst apart, you simply pick the halves and refill them SUSTAINABLE PACKAGING: Ships in simple, recyclable packaging that’s easy to open and frustration free