NERF - SS TWISTER

The Twister is a pump-action blaster with a spinning "cylinder" in its muzzle, that makes water twirl through the air when fired. It features an short, integrated shoulder stock, as well as an iron sight above the long barrel. Its water resevoir is located on the back half of the blaster, with the cap atop the tank.

Official description
Blast 2 twisting streams of water from the Nerf Super Soaker Twister water blaster! Head outside and pour on the fun with this Super Soaker blaster. When you pump the handle, a cylinder in the tip of barrel rotates to create a double helix of water to spray the competition! Add a twist of soakage to your water battles with the Twister water blaster. It's easy to fill and fire. Open the cap, fill the tank, close the cap, and pump the handle backward and forward. Splash into outdoor water games with this Nerf Super Soaker blaster that unleashes twirling streams of water! Tank capacity is 37 fluid ounces (1094 milliliters).
Super Soaker brand
Super Soaker is a brand of water blasters and water-based products currently owned by Hasbro.