You become aware of the body playing the steps like piano keys, of the exact intervals of this upward progression, of your own speed and motion and self - conscious hesitation. (theguardian.com)
It has a music area using piano keys; it also has an eating area that can be detached for easy cleaning. (momwoot.com)
This walker has a lot of fun activities including musical piano keys, animal shaped buttons, shapes and numbers and even a toy handset. (mombible.com)