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Little engineers: Image and Sound(Chinese Edition)
Seller: liu xing, Nanjing, JS, China
Seller rating 5 out of 5 stars
paperback. Condition: New. Paperback Pages Number: 48 Language: Chinese. Images and sound with our vision and hearing are closely related to two physical phenomena. They represent all aspects of daily life. which also bears a curious and unexpected infinite world. Now you have the opportunity to do some of the images and sound test. and then to discover that the image is how projection. color is formed by. there are different voices is how to generate. musical instruments and how to make. To challenge the Little Engine. Seller Inventory # N77782