Ruiwaer 88 Key Keyboard Piano Finger Simulation Practice Guide Teaching Aid Note Chart Beginner Musical Instrument Accessories Double Side

1:1 double-sided piano keyboard-covering all 88 keys, accurate size, the same as a standard piano keyboard. Material: 350g copper cardboard, covered with double-sided bright film, bright colors, absolutely waterproof, and will not fade. Design: The content is rich in color, not monotonous, double-sided design, exquisite cylindrical outer packaging, easy to carry, convenient for you to practice at any time, just take it off and roll it up is very useful for piano beginners and piano lovers. Expanded size: 49*7.87 inches/124.5*20cm; cylinder size: 9.5*3 inches/24*7.5cm. It is very suitable for children and students to learn the basic principles of piano. It helps beginners to understand the piano keys. The bright colors help children and beginners to recognize and remember quickly and easily.