Musical Instruments Two sides with different instruments allow twins or parents to play together. It's a great birthday gift for 1 2 3 year old boys Children's Piano Play Mat with 8 Piano Keys, 6 Instrument Sounds and 13 Built-in Music Kids Musical Play Mat is breathable cushion and high-quality non-woven fabric To protect baby's sensitive skin, so that moms and dads can feel more comfortable The musical play mat can train babies' sense of sight, hearing and touch at an early age