The Nickelodeon Gak Color Mixer lets you turn Gak colors into even wackier Gak color combinations. Just attach any two colors of Gak to the mixer arms, crank the handle and watch your two colors turn into a new wackier Gak color! Crank It! Twist it! Spin it! and Mix it! - The Nickelodeon Gak Color Mixer is one of the wackiest, Gakiest products around! GAK IS BACK!