The Piano Blanket develops colour cognition, enhances listening, hand-eye coordination, logic. The Blanket has 6 modes: animal mode, melody mode, monosyllabic mode, animal songs, biy mode. The 8 piano keys imitate the piano play. The 2 shining lights develop children's seeing. The Piano Blanket inspires the children's crawling, and harmony of the children's eyes, hands, hands, feet.