Unique 22+ Small Acoustic Guitar For Kids. Many new guitarists start with an acoustic instrument and move on to electric. It has a narrower neck with perfect action, so those smaller hands can easily make chords and access. Originally featuring on our chart of acoustic guitars for players with small hands, yamaha's apxt2 is also an excellent guitar for kids, with a thinline body and a compact 3/4 scale. With several color choices, the apxt2 is made with laminated.