In view of the depth of development in the field of music sound and hardware, germany, in the field of early childhood education, has partnered with the united boya educational group to develop a series of early learning music box products, which have been well used by more than 20,000 user groups in china in the short term and have been well received by china's infant and child markets in the last six months. However, early learning music box development and monitoring have brought together kavaya developers and market researchers for more than two years. As a new product of kavaya's entry into the chinese early childhood education market, it was decided that the subject matter would be determined at an early age, as small as the sound volume of hardware, and was strictly guided by the science of the physical development of young children. Every effort has been made to find an excellent convergence between the teaching of early science in europe and the united states and early lear...