Upado Unlimited Glockenspiel Xylophone, Handcrafted Precision Tuned Musical Instrument Includes Sturdy Wooden Mallet and Educational 12 Page Music Pattern Song Book Includes Color Coded Music Book with 12 Songs, 2 extra e-Song Patterns and e-Audio of Songs in Book Extra Long Metal Keys Give Cleaner Sound and a Longer Ringing Tone. Low C note is 4  inches long. Handcrafted by an Orchestra Music Company and Not a Toy Company So Can Be Used in Classrooms too. Precision Tuned Keys with Wider Note Spacing Make It Easier to Hit the Notes More Accurately. Musical experience increases mental ability, creativity, eye-hand coordination, character and more!