{"product_id":"105pcs-plastic-gear-set-rack-pulley-worm-belt-diy-gearbox-kit","title":"105pcs Plastic Gear Set – Worm, Rack, Pulley \u0026 Belt DIY Kit","description":"\u003ch2\u003e105-Piece Plastic Gear \u0026amp; Power Transmission Kit for DIY Projects\u003c\/h2\u003e\n\u003cp\u003eBuild, prototype, and experiment with this comprehensive 105-piece plastic gear set. Featuring rack gears, pulley belts, worm gears (single and double), and more, this all-in-one kit is perfect for hobbyists, students, engineers, and makers who need versatile, freely matchable power transmission components at their fingertips.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 105 pieces per set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModulus:\u003c\/strong\u003e 0.5M – all pieces can be freely matched and combined\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAperture Sizes:\u003c\/strong\u003e 0.8 mm, 1 mm, 1.9 mm, 2.05 mm, 2.55 mm, 3 mm, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality POM (Polyoxymethylene) plastic – durable, low-friction, and lightweight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponents Include:\u003c\/strong\u003e Gear racks, single and double worm gears, pulleys, drive belts, and assorted transmission parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Gear Set?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Standardized 0.5M modulus means all pieces intermesh and swap freely for maximum design flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for DIY Gearboxes:\u003c\/strong\u003e Build custom gearbox assemblies, robotic mechanisms, motorized models, or educational demonstrations with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePOM Plastic Construction:\u003c\/strong\u003e POM offers excellent dimensional stability, low friction, and good wear resistance — ideal for mechanical prototype applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeginner \u0026amp; Pro Friendly:\u003c\/strong\u003e Whether you're a first-time maker or an experienced engineer, the varied sizes and component types support a wide range of project complexities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat Value:\u003c\/strong\u003e 105 components in a single set provides a rich variety without needing to source parts individually.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Note on Appearance\u003c\/h3\u003e\n\u003cp\u003eThis product is continuously upgraded. Appearance and color may vary from images shown. If you have specific requirements regarding color or appearance, please contact us before placing your order.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Fine-Toothed for Carpentry and Gardening\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush – Hand Tool Set for Painting \u0026amp; Cleaning\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-manual-household-yarn-winding-machine-twisting-and-weaving-tools-diy-sewing-accessories-yarn-ball-winder-2\"\u003e1pc Manual Household Yarn Winding Machine – DIY Twisting \u0026amp; Weaving Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Are all 105 plastic gear pieces compatible with each other?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! All components in this DIY gear set share a standardized 0.5M modulus, which means they can be freely mixed, matched, and combined to create custom gear trains, gearboxes, and power transmission assemblies.\u003c\/p\u003e\n\u003ch4\u003eQ: What material are the gears made from, and is it durable enough for motorized models?\u003c\/h4\u003e\n\u003cp\u003eA: The gears are made from POM (Polyoxymethylene) plastic, a high-performance engineering thermoplastic known for its low friction, good wear resistance, and dimensional stability. It is well-suited for light-duty motorized models, robotics prototypes, and mechanical DIY projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Can beginners use this gear set for school or hobbyist projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This plastic gear and pulley set is designed to be accessible for students and hobbyists while still offering enough variety for advanced makers. The assorted aperture sizes (0.8–3 mm and beyond) and multiple gear types make it a versatile starting point for learning mechanical engineering concepts or building custom DIY gearbox models.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are all 105 plastic gear pieces compatible with each other?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! All components in this DIY gear set share a standardized 0.5M modulus, which means they can be freely mixed, matched, and combined to create custom gear trains, gearboxes, and power transmission assemblies.\"}}, {\"@type\": \"Question\", \"name\": \"What material are the gears made from, and is it durable enough for motorized models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The gears are made from POM (Polyoxymethylene) plastic, a high-performance engineering thermoplastic known for its low friction, good wear resistance, and dimensional stability. It is well-suited for light-duty motorized models, robotics prototypes, and mechanical DIY projects.\"}}, {\"@type\": \"Question\", \"name\": \"Can beginners use this gear set for school or hobbyist projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. This plastic gear and pulley set is designed to be accessible for students and hobbyists while still offering enough variety for advanced makers. 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