The Casio WK-240 Portable Keyboard features 76 dynamic touch keys which is ideal for younger students who dont require a full board. It features 600 impressive AHL tones ensuring a rewarding playing experience. The WK-240 includes 48 tone maximum polyphony providing plenty of margin to minimise the chance of notes being dropped when tones are layered. Touch response allows you to add delicate nuances to notes by varying how much pressure you apply to keyboard keys. The WK-240 offers lesson functions and songs allowing you to independently learn when away from your tutor.