All aboard the LEGO DUPLO My First Number Train - Learn To Count for a fun and colorful journey into numbers and counting! This playful set includes 23 pieces featuring 10 numbered bricks, a boy, a girl, and a dog figure, offering endless interactive learning opportunities ...All aboard the LEGO DUPLO My First Number Train - Learn To Count for a fun and colorful journey into numbers and counting! This playful set includes 23 pieces featuring 10 numbered bricks, a boy, a girl, and a dog figure, offering endless interactive learning opportunities. Perfect for toddlers 18 months and up, it encourages the development of fine motor skills and number recognition as they stack, sort, and build. From LEGO.