{"product_id":"knex-roller-coaster-train-system-v3-scale-size","title":"K'nex Roller Coaster Train System (V3 - Scale Size)","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTKM V3 K'NEX Train System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed to navigate tight corners, twists and turns smoothly, with independently moving wheel assemblies and a fully modular design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBuild Your Train: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eSimply select the number of cars you need\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eExample:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3-car train = 1× Front + 2× Middle\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eScale Body Size:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eDesigned primarily for Intamin. Mack Rides and Some Vekoma top designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnetic Brakes or Spring-Loaded Chain Catch\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eChoose between two configurations:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMagnetic Brakes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Contact-free braking with magnetic brake bars.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSpring-Loaded Chain Catch:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A more affordable alternative without magnets or brake bars.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBoth configurations remain compatible with V3 train tops, upgrades and spare parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow many brake bars?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1–4 cars: 1 brake bar\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5+ cars: 2 brake bars\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAdditional brake bars are available under Spare Parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBearings\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBearings are sold separately and can be added from our Bearings page.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eCompatible sizes: \u003cstrong\u003e11mm Outer Diameter - 5mm Inner Diameter - 4\/5mm Width \u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eHybrid ceramic or full ceramic bearings are recommended for performance and longevity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIndependently moving wheel assemblies for tight turns and twists\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional contact-free magnetic braking\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRedesigned chain catch for steeper lift hills\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModular components with interchangeable upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDedicated spare parts and replacement components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOngoing customer support and maintenance options\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TheKnexMaker's Store","offers":[{"title":"Magnetic Brakes Included \/ Front","offer_id":64089943867722,"sku":null,"price":29.99,"currency_code":"GBP","in_stock":true},{"title":"Magnetic Brakes Included \/ Middle\/Back","offer_id":64089943900490,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Magnetic Brakes Not Included \/ Front","offer_id":64089943933258,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"Magnetic Brakes Not Included \/ Middle\/Back","offer_id":64089943966026,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/6325\/9466\/files\/20260126_183314.webp?v=1769452431","url":"https:\/\/tkmshop.store\/products\/knex-roller-coaster-train-system-v3-scale-size","provider":"TheKnexMaker's Store","version":"1.0","type":"link"}