{"product_id":"20pcs-20mm-plastic-mini-wheels-diy-model-car-science-project","title":"20PCS 20mm Plastic Mini Wheels for DIY Model Cars \u0026 STEM Projects","description":"\n\u003ch2\u003e20PCS 20mm Plastic Mini Toy Wheels – Perfect for DIY Science Models \u0026amp; Mini Car Builds\u003c\/h2\u003e\n\u003cp\u003eBring your creative builds to life with these versatile \u003cstrong\u003e20mm plastic mini wheels\u003c\/strong\u003e! Whether you're assembling a science fair project, a classroom robot, or a custom DIY toy car, these compact wheels deliver smooth, reliable rolling performance in a lightweight plastic design. Each pack includes \u003cstrong\u003e20 wheels\u003c\/strong\u003e — plenty to power multiple projects at once.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with a \u003cstrong\u003e1.9mm axle hole\u003c\/strong\u003e that snugly fits a standard \u003cstrong\u003e2mm shaft\u003c\/strong\u003e, these wheels attach securely without wobbling, giving your model vehicles a clean, finished look. The flat, round profile and consistent 6.7mm thickness ensure uniform rolling across flat surfaces.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWheel Diameter:\u003c\/strong\u003e 20mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWheel Thickness:\u003c\/strong\u003e 6.7mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxle Hole:\u003c\/strong\u003e 1.9mm (compatible with 2mm shaft\/axle)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 20 wheels per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy You'll Love These Mini Wheels\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eGreat for STEM \u0026amp; DIY Projects\u003c\/strong\u003e — Ideal for school science projects, robotics, and homemade toy cars\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eUniform Size \u0026amp; Shape\u003c\/strong\u003e — Consistent 20mm diameter ensures balanced, even rolling\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eLightweight Plastic Construction\u003c\/strong\u003e — Easy to work with, cut, or glue as needed\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSnug Axle Fit\u003c\/strong\u003e — 1.9mm hole fits 2mm shafts for a secure, wobble-free connection\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePack of 20\u003c\/strong\u003e — Enough wheels to complete multiple projects or keep extras on hand\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e20 × 20mm Plastic Toy Wheels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting and monitor variations, the actual color may differ slightly from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a tolerance of 1mm–1cm due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eUse a \u003cstrong\u003e2mm axle\/shaft\u003c\/strong\u003e for optimal fit with the 1.9mm axle hole.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on STEM education and the benefits of hands-on model building for learning, visit the U.S. Consumer Product Safety Commission (CPSC) for safety guidelines on toy components and educational supplies.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size axle or shaft do these 20mm plastic wheels fit?\u003c\/h4\u003e\n\u003cp\u003eA: These mini plastic wheels have a 1.9mm axle hole, designed to work best with a standard 2mm shaft or axle. This snug fit keeps the wheel securely in place without excessive wobbling during use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these wheels suitable for school science and STEM projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! These 20mm plastic toy wheels are a popular choice for science fair models, DIY robot builds, classroom engineering challenges, and homemade toy car projects. Their lightweight plastic construction makes them easy to handle and incorporate into a wide variety of creative builds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many wheels come in one pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack contains 20 plastic mini wheels, giving you enough to complete multiple model car or science project builds, with extras to spare for future use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size axle or shaft do these 20mm plastic wheels fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These mini plastic wheels have a 1.9mm axle hole, designed to work best with a standard 2mm shaft or axle. This snug fit keeps the wheel securely in place without excessive wobbling during use.\"}}, {\"@type\": \"Question\", \"name\": \"Are these wheels suitable for school science and STEM projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely! These 20mm plastic toy wheels are a popular choice for science fair models, DIY robot builds, classroom engineering challenges, and homemade toy car projects. Their lightweight plastic construction makes them easy to handle and incorporate into a wide variety of creative builds.\"}}, {\"@type\": \"Question\", \"name\": \"How many wheels come in one pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each pack contains 20 plastic mini wheels, giving you enough to complete multiple model car or science project builds, with extras to spare for future use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Kids' Toys \u0026 Games\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/kids-toys-games\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"20PCS 20mm Plastic Mini Wheels for DIY Model Cars \u0026 STEM Projects\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/20pcs-20mm-plastic-mini-wheels-diy-model-car-science-project\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48750236664000,"sku":"\u003cnone\u003e","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/Scd59ce9145854c598341f4a23e8ccfdb9.webp?v=1786224600","url":"https:\/\/vueselect.com\/products\/20pcs-20mm-plastic-mini-wheels-diy-model-car-science-project","provider":"Vue","version":"1.0","type":"link"}