A lightweight, rollup piano keyboard designed for music beginners who want a simple, portable way to explore melody and rhythm. The instrument supports teaching and practice with builtin demo songs and multiple tones, while offering flexible control for practicing and performance. Key features Portable rollup design: 28.7 x 6.7 x 0.1 inches when laid flat. Flexible and easy to carry, store, and transport. Friendly plastic material: lightweight and durable for everyday use. Teaching support: 6 demo songs and 16 tones to help beginners learn scales, melodies, and accompaniment. Rhythm and percussion: 8 groups of drum rhythms to add beats and practice timing. One button and one tone: simplifies sound selection during play. Recording and playback: capture practice sessions and review progress. Precise control: 16level volume control and 32level beat control for fine adjustments. Power saving: automatic sleep power saving function conserves energy when idle. Benefits and practical value Encourages handson learning with guided demo songs and a variety of tones for experimentation. Compact and rollable design solves space and portability challenges, making it easy to practice anywhere. Recording and playback let beginners monitor improvement and build confidence through repetition. Adjustable volume and beat settings make it usable in a quiet home setting or a livelier group lesson. Use scenarios Home practice: lay the piano on a table or the floor for daily lessons and selfguided practice. Travel and leisure: roll up and pack for use on trips, hotel stays, or outdoor activities where a full piano is not available. Classroom or group teaching: demo songs, drum rhythms, and recording features support teaching demonstrations and group exercises. This rollup piano offers a balance of portability, teaching features, and sound control for beginners who want an accessible way to learn and enjoy music.