Feature:1. MULTIFUNCTIONAL PIANO CALENDAR: This playable piano calendar is not just a regular calendar, it doubles up as a Bluetooth enabled piano that allows you to play music and create melodies, making it a versatile and engaging accessory for children.2. MUSIC CALENDAR DESIGN: Designed with a musical theme, this unique calendar is bound to spark children's interest in music and inspire them to explore the world of melodies, rhythms, and harmonies in a fun and interactive way.3. IDEAL GIFT: Perfect for both boys and girls, this piano calendar makes an excellent birthday gift choice for children who have a passion for music and a desire to learn and create. It's a thoughtful and entertaining present that will bring joy to young minds.4. INTERACTIVE DESIGN: With its interactive features, this piano calendar encourages children to unleash their creativity and imagination as they engage with the piano, play tunes, and learn about music composition and structure.5. EDUCATIONAL SIGNIFICANCE: More than just a playful gadget, this playable piano calendar has profound educational value, helping children to develop skills in music appreciation, time management.Specification:Item Type: Piano CalendarMaterial: ABSSize: Approx. 19 x 9 x 9cm / 7.5 x 3.5 x 3.5inBattery Type: Lithium BatteryBattery Nominal Capacity: 300mAh (Battery included in the package).Package List:1 x Piano53 x Cards2 x Note Stickers1 x Charging Cable1 x Storage Bag