All aboard for fun, learning, and adventure with the LEGO DUPLO Interactive Train Adventure (10427). Designed for toddlers aged 2 and up, this smart train set lets little conductors choose their destination and enjoy a journey full of lights, sounds, and discovery. The set includes colorful bricks to build scenes like a park, beach, train station, or family home, encouraging creativity, patience, and fine motor skills. Three action bricks bring the play to life with realistic train sounds triggered as the train passes over them, while a customizable sound brick lets kids record their own sounds through the free LEGO DUPLO Train app. The app also allows them to control the train using a smart device. This interactive educational toy combines technology, movement, and imagination for a rich, hands-on learning experience.