Steven's ukulele is a four-stringed ukulele. It is embellished with pale yellow, light-orange and salmon-pink wavy designs. It has a brown strap connected to the back of the ukulele.
Steven brings it along on his "serious" mission and in the end of the episode, he uses it to play "Serious Song".
The ukulele appears while he sings "Be Wherever You Are". At the end of the episode, however, he doesn't have it with him and is shown to leave the island without it.
The ukulele appears in Greg's Van, being held by Steven.
"We Are the Crystal Gems" (SDCC/Extended Theme)
A young Steven uses his ukulele to play the original theme song from the pilot episode.
Steven's ukulele can be used to perform several different songs.
- Ukulele - Cure Song: Removes entire team's status effects. (3 star points, unlockable starting at level 4.)
- Ukulele - Defense Song: Increases entire team's defense. (3 star points, unlockable starting at level 9.)
- Ukulele - Strong Song: Increases entire team's attack power. (5 star points, unlockable starting at level 10.)
- Ukulele - Lucky Song: Increases entire team's luck. (4 star points, unlockable starting at level 11.)
- Ukulele - Get Beefy Song: Restore team harmony and increase attack. (7 star points, unlocked automatically at level 15.)
- Steven tells the Gems, referring to the ukulele in "Serious Steven", "It's mine and I like it!"
- It is most likely a soprano ukulele, with the musical range of a concert.
- Steven uses his ukulele in Attack the Light in various ways. These include healing the Gems, giving them power ups, and clearing status effects.
- Revealed in the clip shown at SDCC in the extended theme song, Steven was given his ukulele by Greg when he was just a little kid, indicated by his small stature and a missing front teeth. According to Greg, he learned very quickly, to the point where he was running out of things to teach Steven.
- The ukulele is the first instrument Steven is seen playing.