Clear note patterns with clearly marked key positions help beginners locate and memorize notes quickly. Tool-free installation: sticks directly to standard piano keyboards without glue or extra tools for fast setup. Wide applicability: suitable for piano beginners, children, music enthusiasts, and anyone needing to relate notes to staff notation. Supports learning the basics or playing a specific track. Removable and reusable: easy to remove and reapply to other key positions as skills progress or songs change. Specifications at a glance: - Function: visual note-to-key mapping to aid practice and sight-reading - Compatibility: designed for standard piano keyboards - Size: compact, low-profile on the keys - Material: durable sticker with adhesive backing for simple attachment and removal - Performance: secure adhesion during practice with easy repositioning Use scenarios: - Home practice: map notes on the keyboard to learn scales and melodies - Tutoring or classroom: quick setup for lessons without any glue - Learning a specific song: connect staff notation to keyboard positions while practicing a track