{"type":"product","schema_version":"1.0","item_id":"100821804691","canonical_url":"https://tw.bid.yahoo.com/item/100821804691","title":"【夜市王】DIY萬花筒 科技小製作 小發明 小實驗玩具 DIY萬花筒39元","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-21T02:05:21.804Z","current_price":39,"original_price":null,"stock_status":"in_stock","available_quantity":914,"sold_quantity":0,"seller":{"id":"Y4728838859","name":"Y4728838859","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/98bc1efa-26fc-47f2-b12e-fc4ce2e81dda.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/286d27bb-e7e6-4d99-89d3-a0146dc677a7.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/9417cad4-0d7f-4efd-bfda-268adee02ac3.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"品    名：萬花筒\n\n產品尺寸：18*4\n\n萬花筒的圖案是如何來的呢？原來是靠玻璃鏡子反射而成的。它是由三面玻璃鏡子組成一個三棱鏡，再在一頭放上一些各色玻璃碎片，這些碎片經過三面玻璃鏡子的反射，就會出現對稱的圖案，看上去就像一朵朵盛開的花。同學們我們一起來探索一下萬花筒的奧妙吧！\n\n萬花筒課程課件\n\n   萬花筒(Kaleidoscope)，一種光學玩具，將有鮮豔顏色的實物放於圓筒的一端，圓筒中間放置三棱鏡，另一端用開孔的玻璃密封，由孔中看去即可觀測到對稱的美麗圖像。萬花筒的原理在於光的反射，利用鏡把光反射來形成圖像。近似萬花筒的成像原理，中國遠古時代的古人經已掌握。\n\n   萬花筒是一種光學玩具，只要往筒眼裏一看，就會出現一朵美麗的“花”樣。將它稍微轉一下，又會出現另一種花的圖案。不斷地轉，圖案也在不斷變化，所以叫“萬花筒”。\n\n實驗目的：萬花筒利用平面鏡的成像原理製作，通過光的反射而產生影像。\n\n實驗認知：\n\n   三棱鏡\n\n三棱鏡（Prism）指具有2個以上平滑而均勻的光學平面的透明體，而且至少有一組的面是不平行的。應用於光的折射，分散和全反射。用於使光線分散，形成光譜時，多使用兩面經過研磨的三棱形狀，可以作為分光器，分光計和折射計等使用。\n\n實驗步驟：實驗準備認識實驗器材:紙筒、雙面膠、鏡頭蓋、裝飾件、透視片。\n\n實驗報告：分為兩種情況：一種是深度的、複雜的、創造性的組合；另一種是表層的、簡單的、說明性的組合。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"26082","category_name":"其他","breadcrumb":[{"id":"25464","name":"玩具、模型與公仔","url":"/tw/%E7%8E%A9%E5%85%B7%E3%80%81%E6%A8%A1%E5%9E%8B%E8%88%87%E5%85%AC%E4%BB%94-25464-category.html"},{"id":"26082","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-26082-category.html"}],"view_count":0,"watch_count":1}