Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2015-12-15 Pages: 30 Publisher: China Railway Publishing House book was imported from Germany-based children's science experiment to work. The book records the story takes place between the cute aliens Willoughby and his friend Tom. Tara three hero through a variety of interesting experiments with fun questions and answers for the Willoughby and explain to the propagation of light. reflection and refraction. completed the light of these three natural phen. N° de réf. du vendeur CY030058
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