ISBN: 9787534844072 - 快乐科普大讲堂 科学发明与创造 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2013-12-1 Pages: 156 Publisher: Zhongzhou Ancient Books Publishing House scientific invention and creativity for the life of natural phenomena. natural curiosity and desire to explore the child's powers of observation will become more acute . meticulous; if trying to understand the secret behind these phenomena. not only can improve the child's ability to understand. but also enrich their knowledge base. Scientific invention and creativity to meet the chi.…