In "STOP" mode, babies press buttons to explore cause-and-effect, building hand-eye coordination and sensory awareness. 【Dual Play Modes】In "GO" mode, the adorable swinging duck toy moves forward with flashing lights and cheerful music, motivating babies to chase and crawl. 【Bilingual Learning & Christmas Mode New Added】Switch between English and Spanish to introduce numbers, letters, and words through songs and playful sounds, boosting early language development.