{"product_id":"diy-stem-three-gears-speed-variable-car-intellectual-brain-development-toys-for-kids","title":"DIY 3-Gear Speed Variable Car – Brain Development STEM Toy","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eDIY 3-Gear Speed Car – Physics Working Model for Kids\u003c\/span\u003e\u003c\/h2\u003e\n\u003cstrong\u003eThe DIY 3-Gear Speed Variable Car\u003c\/strong\u003e is a hands-on \u003cstrong\u003eclass 3 science project\u003c\/strong\u003e designed to help young learners understand how gears control speed and motion. From the very first build, children explore real mechanical concepts through guided play, making it ideal for \u003cstrong\u003escience experiments for class 3\u003c\/strong\u003e conducted at home or in school. By assembling the car and changing gear positions, students experience how mechanical advantage works in real systems.\n\u003cp\u003eThis engaging model supports structured learning by turning theory into action, helping children observe motion changes clearly while enjoying a fun \u003cstrong\u003eclass 3 science project\u003c\/strong\u003e experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eMaterials and User Manual\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eCar Base\/Chassis – The platform for mounting all components.\u003c\/li\u003e\n\u003cli\u003e3-Speed Gear System – Includes gears of different sizes to vary speed and torque.\u003c\/li\u003e\n\u003cli\u003eElectric Motor – Powers the car and drives the gear system.\u003c\/li\u003e\n\u003cli\u003eWheels and Axles – Provide mobility and stability.\u003c\/li\u003e\n\u003cli\u003eSwitch – Allows easy control of the car's power.\u003c\/li\u003e\n\u003cli\u003eBattery Holder – Holds the batteries that power the motor.\u003c\/li\u003e\n\u003cli\u003eWiring and Connectors – Connect the motor, switch, and battery for proper functioning.\u003c\/li\u003e\n\u003cli\u003ePlastic or Wooden Frame – Supports and holds all components securely.\u003c\/li\u003e\n\u003cli\u003eInstruction Manual – Guides the assembly process and explains gear operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser Manual:\u003c\/strong\u003e All the design details are elaborated in documents with this.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eClass 3 Science Project – Working Principle\u003c\/span\u003e\u003c\/h2\u003e\nThis \u003cstrong\u003eclass 3 science project\u003c\/strong\u003e operates using an electric motor connected to a three-gear system. Smaller gears rotate faster with lower torque, while larger gears rotate slower with higher torque. Power transfers through axles to the wheels, moving the car forward. This process allows children to test cause-and-effect relationships, commonly taught through \u003cstrong\u003escience experiments for class 3\u003c\/strong\u003e, in a clear and visual way.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eAdvantages of This Science Project\u003c\/span\u003e\u003c\/h2\u003e\n\u003cstrong\u003eQuality Time Together:\u003c\/strong\u003e Build, test, and explore together while completing a meaningful \u003cstrong\u003eclass 3 science project\u003c\/strong\u003e that encourages discussion and curiosity.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eLearning Wrapped in Fun:\u003c\/strong\u003e This model transforms learning into play, supporting hands-on \u003cstrong\u003escience experiments for class 3\u003c\/strong\u003e without pressure or complexity.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eConfidence and Achievement:\u003c\/strong\u003e Each successful gear adjustment builds confidence, helping children feel proud of completing a challenging \u003cstrong\u003eclass 3 science project\u003c\/strong\u003e.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures of This Science Project\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eEncourages logical thinking and mechanical understanding\u003c\/li\u003e\n\u003cli\u003eSimple assembly suitable for early learners\u003c\/li\u003e\n\u003cli\u003eVisually explains speed and torque concepts\u003c\/li\u003e\n\u003cli\u003eSupports guided \u003cstrong\u003escience experiments for class 3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAligned with global STEM learning principles\u003c\/li\u003e\n\u003cli\u003eUses safe, eco-friendly materials\u003c\/li\u003e\n\u003cli\u003eIncludes printed instructions with scientific explanations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eDimensions (cm) L x W x H : 18 x 13 x 3\u003c\/li\u003e\n\u003cli\u003eWeight (g): 146\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x DIY 3-Gear Speed Variable Car – Brain Development STEM Toy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"DO IT YOURSELF","offer_id":40943925100725,"sku":"LGPW084","price":449.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/diy_stem_robot_car_kit.png?v=1789626694","url":"https:\/\/kitsguru.com\/es\/products\/diy-stem-three-gears-speed-variable-car-intellectual-brain-development-toys-for-kids","provider":"KitsGuru","version":"1.0","type":"link"}