[Piano Calendar] This 2024 piano calendar has high and low notes arranged in order with no deviation in pitch. It contains 52 short pieces of the world's most famous , making it easy to play beautiful melodies. Each calendar card represents a week. (Piano size:4.33x3.54x3.54 inches). [ design and use] Hand-crank card release, and innovative, the volume is adjustable, and you can play with one hand [Charging ] USB; Card category: 52 world famous Beginners can put sticky notes on the keys as marks, which is convenient, easy and easy to learn. Colour:White Material:ABS Package Contents: 1 * desk calendar 1 * Charging cable 1 * simple musical notation Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.