基於 STEM 教育的多色齒輪和零件的益智玩具。 Learning Resources LER 9227 Machines in Motion Building Set 適用年齡：5 歲以上 1) 零件與目錄並不完全一致。例如，沒有藍色底座積木。取而代之的是，有 4 條綠色橡皮筋。（見圖片 3-5） 2) 缺少 1 條紅色橡皮筋。 3) 然而，可以組裝目錄中顯示的所有車輛。 4) 找到了另一版本的目錄（包含零件清單） https://www.learningresources.com/amfile/file/download/file/10952/product/4271/ 1) Somehow, the parts are not 100% aligned with catalogue. For example: There is no blue base block. Instead, there are 4 green rubber bands. ( see picture 3-5) 2) Red rubber band ( 1 piece is missing.) 3) However, it is okay to build all the vehicles shown on the catalogue. 4) Another version of Catalogue (including Parts list) is found @ https://www.learningresources.com/amfile/file/download/file/10952/product/4271/ 感謝您的觀看。