This keyboard is a unique and interactive way to develop children's brain awareness and music sense. It features 16 kinds of timbre and 8 kinds of percussion instrument recording, as well as 10 kinds of rhythm. With a mini microphone, kids can sing while they play, making it a fun and engaging experience. The price drops from $42.99 to $29.99. Shipping is free for orders over $35, or it adds $6.99.