Music includes Old McDonald, Eensy Weensy Spider, If You’re Happy and You Know It and B-I-N-G-O. This innovative musical toy magically puts the child in control of songs and sounds. Plus, it’s simple to add or subtract instruments to learn special musical sounds and how to interact. With just a push of a button, any child can put a new spin on their old favorites. Measures 4 1/4" square.