Easily transforms from a tricycle for unsteady toddlers into a two-wheel bike for more balanced riders. Interactive activity panel features lights, buttons, rollers and gears that introduce objects, colors, shapes and road safety. Motion sensor encourages little drivers to ride around with playful music and motorcycle sounds.Two modes of play include sing and learn mode and ride-on mode; features more than 70 songs, melodies, sounds and phrases. Requires 2 AA batteries. Recommended for ages 1 to 3 years. Size h40.6, w58.5, d22.6cm.