摘要：Music education should start from an early age. Theo-ries of child development and learning emphasize theimportance of manipulating physical objects. Musiclearning and teaching has traditionally been carriedout mainly by visual and auditory activities. With thisin mind, we combine music learning with tangible in-terfaces to stimulate senses toward music in childrenover six years old. We present a token+constraint tan-gible interface for children to learn musical skills suchas musical notes, rhythm and the sound of differentinstruments. The work describes a low-cost tangi-ble interface addressed to children that allows learn-ing music in an intuitive, incremental and collabora-tive manner. The system recognizes in real-time pre-established patterns and associates them with musi-cal notes and instruments to allow composing music.The system was designed to be usable and to benefitfrom the advantages that tangible interfaces can pro-vide to children. Furthermore, it was implementedwith low cost and easy to get tools and resources, suchas wooden boards and a standard webcam
