Features: 1) DP510: ukulele guitar, wooden body, 4 nylon strings, not fully playable, 22 / 56cm 2) DP512: classical guitar, wooden body, 6 nylon strings, not fully playable, 22 / 56cm 3) DP516: classical guitar, wooden body, 6 nylon strings, fully tunable and playable, 31 / 79cm