{"product_id":"3d-wooden-puzzle-electric-marble-run-kit-diy-mechanical-gear-track-model-stem-assembly-craft-toy-gifts-for-adults-teens","title":"3D Wooden Puzzle Electric Marble Run Kit DIY Mechanical Gear Track Model STEM Assembly Craft Toy Gifts for Adults Teens","description":"\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp align=\"left\" style=\"text-align:left;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cimg cke-id=\"img36\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S96792c1c34864301b7a32db186b2d251G.jpg\" width=\"800px;\"\u003e\u003c\/p\u003e\n\n\u003cdiv\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003e\n\u003cbr\u003e\nUltimate Gift for Creative Minds – Whether for birthdays, holidays, or just because, this building toy sparks curiosity and hands-on exploration. \u003cbr\u003e\nIt’s a top choice for parents and educators looking for screen-free activities that boost logical reasoning and fine motor skills—a must-have for any young scientist or DIY maker collection.\u003cbr\u003e\n\u003cbr\u003e\nProduct Name: Kinetic Lab\u003cbr\u003e\nPiece Count: 212pcs\u003cbr\u003e\nDifficulty Level: ★★★★☆\u003cbr\u003e\nAssembled Size: 23.7cm x 15.8cm x 10.5cm\u003cbr\u003e\nPacking: boxed\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003cbr\u003e\n1. Mechanical drive core design that simulates the operation of real laboratory equipment. With gears, crankshafts, and linkage structures, turning the handle activates multiple moving parts in sync. This 3D wooden puzzle is far more than a static model – it is a lively mechanical device full of motion and energy.\u003cbr\u003e\n2. 212 precision laser-cut wooden pieces with smooth, burr-free edges and tight-fitting joints. No glue required – the mortise-and-tenon connections ensure a firm and durable assembly. You can take it apart and rebuild it freely, and it stays solid through repeated handling, delivering an authentic industrial-grade building experience.\u003cbr\u003e\n3. Four-star difficulty level, specially designed for teens aged 14 and above as well as adult hobbyists. It challenges spatial thinking and logical reasoning while offering immense satisfaction upon completion. Whether you are a student or a working professional, this STEM toy is a perfect way to relax, unwind, and push your limits.\u003cbr\u003e\n4. Compact finished size with a sleek, tech-inspired aesthetic that blends industrial elegance with playful charm. It serves as an exquisite desk decoration, a conversation-starting mechanical toy, or a striking display piece on your bookshelf, office desk, or showcase – instantly elevating any space.\u003cbr\u003e\n5. Combining STEM education, hands-on crafting fun, and decorative value, this wooden model kit is an ideal gift for birthdays, holidays, graduations, or any special occasion. Surprise a friend or child who loves machinery and DIY projects with a present that sparks creativity and delivers a delightful twist with every turn.\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eCommon problems:\u003c\/strong\u003e\u003cbr\u003e\n1. Is it difficult to remove the parts from the parts board?\u003cbr\u003e\nIn order to facilitate the removal of the parts, the connection point between the parts and the bottom plate is kept in a minimum state during the processing, and the parts can be dropped off by gently moving up and down with your fingers.\u003cbr\u003e\n2. What if the part breaks?\u003cbr\u003e\nIt can be glued together with super glue if damaged. (Not include the glue)\u003cbr\u003e\n3. Will it be hard to assemble the model?\u003cbr\u003e\nThe product is designed with the traditional Chinese mortise and tenon concept, and the model is fixed by the way of level bite and level interlock. The tightness of the socket may vary slightly during assembly due to the influence of temperature and humidity in different regions.\u003cbr\u003e\n4. The model looks complicated. Will it be difficult to assemble?\u003cbr\u003e\nProducts with detailed instructions, each step is illustrated, as long as the order of assembly, you can easily complete.\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eWarm Tip :\u003c\/strong\u003e\u003cbr\u003e\n1. If the item is damaged or any problems, please contact us immediately before leaving feedback and we'll do our best to solve your problem as soon as possible!\u003cbr\u003e\n2. Due to manual measurement, the size may have an error of 1-2cm.\u003cbr\u003e\n3. Due to the shooting light and display problems, there may be some color difference, please understand, thank you.\u003cbr\u003e\n4. We 100% ensure that the products we send are brand new and have no usage problems. We will also use safe but not excessive packaging to ensure the safety of product transportation in order to protect the environment. However, there may be slight packaging damage and product scratches during express delivery. Returns and refunds due to packaging damage or minor defects that do not affect use will NOT be accepted. Thank you for contributing to our beautiful planet where our kids live.\u003cbr\u003e\n\u003cbr\u003e\nHave a nice day!\u003c\/div\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cimg cke-id=\"img37\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5bb7d376c24f4cac91cde53836a69950A.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img38\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5b9b7c65cb0442f98199f7670458322fr.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img39\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc84c52efa8714004b4927e17c386926fj.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img40\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1bca9eff9c684af49a91fe607ee2c231Y.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img41\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sbd7378a1e66d4a698386f98a8c626da2T.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img42\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S510c9a49ff7f450699df26d9cfb3435et.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img43\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sea8762afe6e74240986081ce4d4c0239Q.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img44\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S02c425b993564171ad2f7a37485ddbb66.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img45\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb2b517c15461465fa41f7a0610821af0s.jpg\" width=\"800px;\"\u003e\u003cimg cke-id=\"img46\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf34cdb7058d04eee9255d0b2f390628fv.jpg\" width=\"800px;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Petal \u0026 Stone General Gift Shop LLC","offers":[{"title":"wooden","offer_id":43322568245457,"sku":"14200006151wooden","price":113.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/4401\/2497\/files\/593c6a6e47174d3b8880e18ab9d0f0e8.webp?v=1790025544","url":"https:\/\/petalandstone.shop\/products\/3d-wooden-puzzle-electric-marble-run-kit-diy-mechanical-gear-track-model-stem-assembly-craft-toy-gifts-for-adults-teens","provider":"Petal \u0026 Stone General Gift Shop LLC","version":"1.0","type":"link"}