{"product_id":"diy-3d-wooden-marble-run-kit-build-mechanical-gears-steam-powered-science-experiment-educational-toy-for-children-and-teens","title":"Marble Run Kits","description":"\u003ch2\u003eMarble Run Kits\u003c\/h2\u003e\n\u003cp\u003eCertification: \u003cspan style=\"color: #333;\"\u003eCE, UL\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChoice: \u003cspan style=\"color: #333;\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eGender: \u003cspan style=\"color: #333;\"\u003eUnisex\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHigh-concerned chemical: \u003cspan style=\"color: #333;\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIs Electric: \u003cspan style=\"color: #333;\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: \u003cspan style=\"color: #333;\"\u003eWood\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRecommended Age: \u003cspan style=\"color: #333;\"\u003e14+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eScale: \u003cspan style=\"color: #333;\"\u003e1:16\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTheme: \u003cspan style=\"color: #333;\"\u003eRollercoaster\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eType: \u003cspan style=\"color: #333;\"\u003eOrbital ball\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eMarble Run Gear Transmission Assembly Model Building Kits Wooden 3D Puzzles DIY Assembly Model Toy Set Gift For Friend\u003cbr\u003e\u003cbr\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003cbr\u003e.Lightweight wood, resistant to falling, durable, laser cut, smooth and burr-free\u003cbr\u003e.Product card slot is accurate, splicing is smooth, explore the fun together, find the corresponding parts on the board, remove the parts along the laser cutting edge, do not use too much force, follow the instructions, splicing parts for model assembly\u003cbr\u003e.After assembling, it can be mechanically oscillated to drive the steel ball to roll through the interlocking gear levers and rails (prepare 1 x AA battery and glue by yourself)\u003cbr\u003e.Logic thinking ability, hands-on ability and concentration can be exercised during the assembly process, suitable for over 14 years old\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003cbr\u003e.Color: As Shown\u003cbr\u003e.Material: Wood\u003cbr\u003e.Product Dimensions: 19.4 x 16 x 10cm\u003cbr\u003e.Packing: OPP Bag\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003ePackage Content:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003cbr\u003e.32 x Wooden 3D Puzzles\u003cbr\u003e.5 x Steel Balls\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sacf61cc1ec554f81a2ef2cd6a091bc65H.jpg?width=798\u0026amp;height=796\u0026amp;hash=1594\" width=\"790\" 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