Due to it's 26 key keyboard this instrument is in particular adequate for children and beginners. It is an accordion with five registers on treble side, two registers on bass side, 26 keys and 72 bass buttons. Included are case and shoulder straps. Color: Blue.SpecsKeys Treble Side: 26Buttons Bass Side: 72Registers Treble Side: 5Registers Bass Side: 2Range: h - c'''Weight: 6,2 kgDimensions H x D: 332 x 185 x 380 mmInclusive: Case and Straps.