Thumb Piano - Red White and Blue. Schoenhut's stunningly designed Thumb Pianos are sure to be a hit with the young set. These percussion instruments, also known as Marimbas, emit warm, resonant tones by striking the ends of the tines with your thumbs. Simple tunes are easily tapped out, with unlimited possibilities for creating complex melodies. The new design incorporates a durable molded composite back, resulting in enhanced sound and durability. Easily portable and fun to play, a Schoenhut Thumb Piano is the perfect choice for encouraging children to enjoy music and an affordable, creative gift for people of all ages. Recommended for ages 6+. Dimensions: 8 Note: 6.25" L x 4.25" W x 1.75" H; 0.5 lbs.