Latest 19++ 30 Inch Acoustic Starter Guitar. First act discovery acoustic 30 guitar beginner starter pack standard. About 26% of these are guitar, 6% are stringed instruments parts & accessories, and 1% are other musical a wide variety of 39 inch acoustic guitar options are available to you, such as body material, combo set offered, and type. Martin smith 38 inch acoustic guitar black with case pick tuner strap extra s.