Eye Catching DesignAcrylic material with rainbow luster looking, 17 carbon steel keys engraved with notes, giving you a better sense of hearing, vision and touchEasy to Play These clear rainbow kalimbas is very easy to learn and play, the keys are engraved with notes, more convenient than other stickers notes thumb piano, you just need to use two thumbs or the tuning hammer to make a great soundStandard C Tune:The corresponding tunes of the metal tines are D6-B5-G5-E5-C5-A4-F4-D4-C4(middle)-E4-G4-B4-D5- F5-A5-C6-E6(from left to right). Soft, clear, crisp and sweet tone to heal your blue mood and cheer you up at minutesBest GiftIts the best gift for family, friends, especially your boy friend or your girl friend in all important occasion such as Birthday, Christmas, Valentine day and New Year etc