From Hasbro Toy Group. Bruce Banner is ready to smash into action as the gamma-powered hero, Hulk! Hulk smash, and kids can too, with these awesome Gamma Grip Fists! Put one on each hand and then you'll feel just like your favorite smashing superhero. They grip, they grab - they smash! Hulk up for awesome superhero adventures with the Gamma Grip Fists!