{"product_id":"gravitrax-building-expansion","title":"GraviTrax: Building Expansion","description":"\u003ch4\u003eWondersaurus says:\u003c\/h4\u003e\n\u003cp\u003eGraviTrax: Balls \u0026amp; Spinner 透過彩色球和旋轉組件為您的彈珠軌道增添額外刺激，為您的軌道增添動感和不可預測性。此擴充套件由耐用塑膠製成，可讓您打造更複雜、更動態的軌道，鼓勵創造力和實驗精神。\u003c\/p\u003e\n\n\u003ch4\u003eDescription:\u003c\/h4\u003e\n\u003cp\u003e這些零件非常適合擴充您的 GraviTrax 系統，有助於培養解決問題和工程等 STEM 技能。它與所有 GraviTrax 套件相容，非常適合 8 歲及以上喜歡建造、競速和探索物理樂趣的兒童。讓您的想像力轉動起來吧！\u003c\/p\u003e\n","brand":"RAVEN","offers":[{"title":"Default Title","offer_id":49468759900439,"sku":"27602-8","price":209.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/8666\/7799\/files\/product.undefined.e5euy.1746289386617.jpg?v=1783963822","url":"https:\/\/store.wondersaurus.com\/zh\/products\/gravitrax-building-expansion","provider":"WONDERSAURUS","version":"1.0","type":"link"}