The Turbo Cat Grass allows cats to munch in a healthy and fun way! Attaches with ease to the Original Turbo Scratcher or Star Chaser. Owners can control what their feline friends are munching on and can be refilled as needed. Attaches to the Turbo Scratcher or Star Chaser; these are NOT included Wheat seed and vermiculite included Sprouts in 4 days; average life span of 3 weeks Organic