{"product_id":"lego-technic-42112-concrete-mixer-truck-1-163-pieces-rotating-drum","title":"LEGO Technic 42112 Concrete Mixer Truck | 1,163 Pieces | Rotating Drum","description":"\u003cstyle\u003e\n.plc-wrap{padding:48px 24px 64px;background:rgb(var(--color-background))}\n.plc-inner{max-width:960px;margin:0 auto;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif!important;font-size:16px!important;line-height:1.75;color:#222}\n.plc-inner p{font-size:16px!important;line-height:1.8!important;color:#222!important;margin-bottom:14px}\n.plc-inner h3{font-size:26px!important;font-weight:800!important;line-height:1.25!important;color:rgb(var(--color-foreground))!important;margin-bottom:14px;background:none!important}\n.plc-guarantee h3{color:#fff!important;background:none!important}\n.plc-guarantee p{color:#ccc!important}\n.plc-inner li{font-size:16px!important;line-height:1.8!important;color:#333!important}\n.plc-inner img{max-width:100%;height:auto;display:block;border-radius:8px}\n@media(max-width:640px){.plc-inner [style*=\"min-width:240px\"]{flex:1 1 100%!important;min-width:0!important}}\n\u003c\/style\u003e\u003cdiv class=\"plc-wrap\"\u003e\u003cdiv class=\"plc-inner\"\u003e\n\u003cp style=\"font-size:18px;line-height:1.75\"\u003eThe LEGO Technic 42112 Concrete Mixer Truck is a 1,163-piece large Technic construction vehicle — with a rotating drum that mixes concrete as the truck drives, front axle steering, opening cab with interior, and the realistic proportions of a real ready-mix truck.\u003c\/p\u003e\n\u003ch3 style=\"text-align:center;margin:36px 0 18px\"\u003eWhy Collectors Love It\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px\"\u003e\n\u003cdiv style=\"background:#fff;border-radius:10px;padding:22px 16px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.09);flex:1 1 calc(50% - 7px);min-width:140px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:38px;margin-bottom:10px\"\u003e🚛\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:18px;margin-bottom:8px;line-height:1.3\"\u003eReal Rotating Drum\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;color:#555;line-height:1.6\"\u003eThe concrete drum rotates as the truck moves — connected to the rear axle via a gear train so driving the truck automatically turns the drum. The core feature works exactly as on a real mixer.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:10px;padding:22px 16px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.09);flex:1 1 calc(50% - 7px);min-width:140px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:38px;margin-bottom:10px\"\u003e🔧\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:18px;margin-bottom:8px;line-height:1.3\"\u003eFront Axle Steering\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;color:#555;line-height:1.6\"\u003eFull front axle steering with a large turning radius — the front wheels turn together when the steering mechanism is operated. Correctly implemented for a large multi-axle truck.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:10px;padding:22px 16px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.09);flex:1 1 calc(50% - 7px);min-width:140px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:38px;margin-bottom:10px\"\u003e🏗️\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:18px;margin-bottom:8px;line-height:1.3\"\u003eConstruction Vehicle Detail\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;color:#555;line-height:1.6\"\u003eThe distinctive barrel shape, the mixing drum fins, the rear chute for discharging concrete, and the heavy-duty truck frame all faithfully reproduced.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:10px;padding:22px 16px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.09);flex:1 1 calc(50% - 7px);min-width:140px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:38px;margin-bottom:10px\"\u003e🚧\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:18px;margin-bottom:8px;line-height:1.3\"\u003eCab Interior\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;color:#555;line-height:1.6\"\u003eAn opening cab with a visible interior — driver's seat, dashboard, and steering wheel inside the cab, consistent with the truck's heavy-vehicle scale.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:28px 0\"\u003e\n\u003ch3 style=\"margin-top:0;font-size:26px;font-weight:800;line-height:1.25;margin-bottom:12px\"\u003eHow Ready-Mix Concrete Gets to Your Building Site\u003c\/h3\u003e\n\u003cp style=\"color:#444;line-height:1.75;font-size:16px;margin-bottom:20px\"\u003eA concrete mixer truck leaves the plant with dry ingredients and water in the drum. The drum rotates continuously during transit — mixing the concrete to the right consistency by the time it arrives. The LEGO Technic 42112 replicates this: drive the truck forward and the rear axle gear train turns the drum. A self-explanatory piece of construction engineering.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center\"\u003e\u003ca href=\"#\" onclick=\"window.scrollTo({top:0,behavior:'smooth'});return false\" style=\"display:inline-block;padding:13px 32px;background:#111;color:#fff;border-radius:6px;text-decoration:none;font-size:16px;font-weight:700\"\u003eAdd to Cart\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:28px 0\"\u003e\n\u003ch3 style=\"margin-top:0;font-size:26px;font-weight:800;line-height:1.25;margin-bottom:12px\"\u003eThe Gear Train — Drum to Wheel\u003c\/h3\u003e\n\u003cp style=\"color:#444;line-height:1.75;font-size:16px;margin-bottom:20px\"\u003eThe drum is connected to the rear axle through a bevel gear train — as the rear wheels turn, the bevel gears step up the rotation speed for the drum. The correct ratio means the drum turns at a realistic speed relative to the truck's motion. Building this gear connection is one of the satisfying moments of the build — a simple mechanism with a clearly visible result.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center\"\u003e\u003ca href=\"#\" onclick=\"window.scrollTo({top:0,behavior:'smooth'});return false\" style=\"display:inline-block;padding:13px 32px;background:#111;color:#fff;border-radius:6px;text-decoration:none;font-size:16px;font-weight:700\"\u003eAdd to Cart\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin-top:20px\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul style=\"line-height:1.8\"\u003e\n\u003cli\u003ePiece Count: 1,163\u003c\/li\u003e\n\u003cli\u003eSet Number: 42112\u003c\/li\u003e\n\u003cli\u003eTheme: LEGO Technic\u003c\/li\u003e\n\u003cli\u003eFeatures: Rotating drum (connected to rear axle), front axle steering, opening cab, rear discharge chute\u003c\/li\u003e\n\u003cli\u003eYear Released: 2020\u003c\/li\u003e\n\u003cli\u003eCondition: Brand New, Sealed\u003c\/li\u003e\n\u003cli\u003eEAN: 5702016616552\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align:center;margin:36px 0 18px\"\u003eYour Questions Answered\u003c\/h3\u003e\n\u003cdiv style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden\"\u003e\n\u003cbutton onclick=\"var d=document.getElementById('faq_0');d.style.display=d.style.display==='none'?'block':'none'\" style=\"width:100%;text-align:left;padding:14px 18px;background:#fff;border:none;cursor:pointer;font-weight:700;font-size:17px;color:#111\"\u003eDoes the drum rotate automatically? ▾\u003c\/button\u003e\u003cdiv id=\"faq_0\" style=\"display:none;padding:4px 18px 16px;font-size:16px;color:#555;line-height:1.75\"\u003eYes. The drum is gear-connected to the rear axle — drive the truck and the drum rotates automatically.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden\"\u003e\n\u003cbutton onclick=\"var d=document.getElementById('faq_1');d.style.display=d.style.display==='none'?'block':'none'\" style=\"width:100%;text-align:left;padding:14px 18px;background:#fff;border:none;cursor:pointer;font-weight:700;font-size:17px;color:#111\"\u003eDoes the front steer? ▾\u003c\/button\u003e\u003cdiv id=\"faq_1\" style=\"display:none;padding:4px 18px 16px;font-size:16px;color:#555;line-height:1.75\"\u003eYes. The front axle has working steering — the front wheels turn together via the steering mechanism.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden\"\u003e\n\u003cbutton onclick=\"var d=document.getElementById('faq_2');d.style.display=d.style.display==='none'?'block':'none'\" style=\"width:100%;text-align:left;padding:14px 18px;background:#fff;border:none;cursor:pointer;font-weight:700;font-size:17px;color:#111\"\u003eIs it retired? ▾\u003c\/button\u003e\u003cdiv id=\"faq_2\" style=\"display:none;padding:4px 18px 16px;font-size:16px;color:#555;line-height:1.75\"\u003eCheck availability — new sealed stock.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"plc-guarantee\" style=\"margin:32px 0;padding:26px 22px;background:linear-gradient(135deg,#111 0%,#333 100%);border-radius:12px;text-align:center;color:#fff\"\u003e\n\u003cdiv style=\"font-size:44px;margin-bottom:12px\"\u003e🛡️\u003c\/div\u003e\n\u003ch3 style=\"color:#fff!important;margin:0 0 10px;font-size:26px;font-weight:800\"\u003eYour Concrete Mixer — Backed by Us\u003c\/h3\u003e\n\u003cp style=\"color:#ccc!important;margin:0 0 18px;font-size:15px;line-height:1.7;max-width:500px;margin-left:auto;margin-right:auto\"\u003e30-day money-back guarantee. Brand new sealed.\u003c\/p\u003e\n\u003cdiv style=\"display:inline-flex;gap:16px;flex-wrap:wrap;justify-content:center\"\u003e\n\u003cspan style=\"font-size:13px\"\u003e✅ 30-Day Returns\u003c\/span\u003e\u003cspan style=\"font-size:13px\"\u003e✅ Secure Checkout\u003c\/span\u003e\u003cspan style=\"font-size:13px\"\u003e✅ Free Shipping\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:36px 0\"\u003e\n\u003ch3 style=\"text-align:center;margin-bottom:6px\"\u003eCustomers Love It!\u003c\/h3\u003e\n\u003cp style=\"text-align:center;color:#f59e0b;font-size:20px;margin:4px 0 18px\"\u003e⭐⭐⭐⭐⭐\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px\"\u003e\n\u003cdiv style=\"background:#fff;border-radius:10px;padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.08);flex:1 1 calc(50% - 6px);min-width:200px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:17px;margin-bottom:8px\"\u003e⭐⭐⭐⭐⭐\u003c\/div\u003e\n\u003cp style=\"font-size:15px;color:#333;line-height:1.7;margin:0 0 10px\"\u003e\"My son is obsessed with construction vehicles. The concrete mixer is perfect — the drum actually rotates when he pushes it, which he showed every person in our family. The cab detail is a bonus. Great Technic set for the price.\"\u003c\/p\u003e\n\u003cdiv style=\"font-size:12px;color:#666;font-weight:600\"\u003eMaria C. · Melbourne, VIC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:10px;padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.08);flex:1 1 calc(50% - 6px);min-width:200px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:17px;margin-bottom:8px\"\u003e⭐⭐⭐⭐⭐\u003c\/div\u003e\n\u003cp style=\"font-size:15px;color:#333;line-height:1.7;margin:0 0 10px\"\u003e\"A solid large Technic vehicle. The drum rotation mechanism is well-implemented — the gear ratio feels right for a real mixer. The truck proportions are accurate to a real ready-mix vehicle. Good construction detail throughout.\"\u003c\/p\u003e\n\u003cdiv style=\"font-size:12px;color:#666;font-weight:600\"\u003eAndy H. · Brisbane, QLD\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:22px 0;padding:14px;background:#f0f9f0;border-radius:8px;border-left:4px solid #22c55e\"\u003e\u003cp style=\"margin:0;font-size:15px;line-height:2\"\u003e🚚 \u003cstrong\u003eFree Shipping\u003c\/strong\u003e — Shipped within 2 business days\u003cbr\u003e🛡️ \u003cstrong\u003eSecure Packaging\u003c\/strong\u003e — Carefully packed to arrive safely\u003cbr\u003e🔄 \u003cstrong\u003e30-Day Returns\u003c\/strong\u003e — Not happy? We'll sort it out\u003cbr\u003e💬 \u003cstrong\u003eFriendly Support\u003c\/strong\u003e — Real people, fast responses\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"LEGO Technic 42112 Concrete Mixer Truck\", \"description\": \"LEGO Technic Concrete Mixer Truck (42112) \\u2014 1,163 pieces, rotating drum connected to rear axle, front axle steering. Brand new sealed.\", \"brand\": {\"@type\": \"Brand\", \"name\": \"LEGO\"}, \"offers\": {\"@type\": \"Offer\", \"priceCurrency\": \"AUD\", \"availability\": \"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e","brand":"LEGO","offers":[{"title":"Default Title","offer_id":45376953516055,"sku":"LEGO-42112","price":248.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5874\/3575\/files\/lego_42112_1.jpg?v=1786016868","url":"https:\/\/buyproducts.com\/zh-hans\/products\/lego-technic-42112-concrete-mixer-truck-1-163-pieces-rotating-drum","provider":"Buyproducts Australia","version":"1.0","type":"link"}