The bailey school kids :
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副標題 : 150 easy projects using everyday materials, demonstrated step by step in 1300 photographs!
作者 : Oxlade, Consultant Chris
分類 : Integrated Science 綜合科學
關鍵字 : Our restless earth>Miscellanea>Natural wonders close>physical and material marvels>Travel and transport>Integrated Science>綜合科學