The Casio LK-135 Keylighting Keyboard is ideal for young student musicians requiring an instrument to learn with. The LK-135s light-up keys allow you to track your playing with a visual aid. The 120 on board tones offer a range of instruments and styles to be played whilst the 70 rhythm accompaniments provide you with tunes to play along to. The LK-135 has 61 keys which are suitable for younger musicians who dont yet require a full size board. The six dramatic effects can be accessed to add flare to your overall sound. The LK-135s easy-to-read interface and digital screen allow you to navigate its features with ease. This model can run from either an optional power supply or six AA batteries for taking your music anywhere.