This fun track comes with 3 large balls that make a delightful rattling, tinkling and maracas noises as they roll down the tower, stimulating your child. Simply place the ball onto the tower and watch as they create a symphony of sounds as they go down the track. It comes with 17 pieces, including 1 x multiple start 3 x straight tracks 1 x finish 1 x base 8 x connectors. So you can build your own track. This toy is designed to encourage your child's fine motor skills, creative thinking, hand-eye co-ordination and learning cause and effect. Suits ages 18 months +.