Ukulele
A Ukulele is an wooden, string-based instrument commonly associated with coastal, tropical and beach music. While on a vacation at Summertime beach, Spike played his Ukulele in the company of Princess Luna, Princess Celestia and the Cutie Mark Crusaders.
Design
Ukulele's are small, wooden instruments. Small enough to be gripped by someone as small as Spike. They strongly resemble guitars, but with less strings. The Ukulele Spike used was a curvey, brown one with a dark-brown length.