{"product_id":"rokr-alchemy-city-mr04s-3d-marble-run-advanced-diy-puzzle-kit-for-adults","title":"ROKR Alchemy City MR04S 3D Marble Run – Advanced DIY Puzzle Kit for Adults","description":"\u003ch2\u003eMeet the ROKR Alchemy City MR04S 3D Marble Run\u003c\/h2\u003e\n\u003cp\u003eFrom ROKR’s Parallel World Series, the MR04S invites you to explore a kinetic cityscape where marble motion meets light art. Its node gear drive core powers a dynamic loop system, while an automatic staircase module guides marbles through an urban rail network. A full-length track spans about 182 cm, complemented by a crystal lift, a straight-through pipeline slicing through half the city, and six light boxes that illuminate the scene with a wide spectrum of gentle to vivid effects.\u003c\/p\u003e\n\u003cp\u003eDesigned for DIY enthusiasts, this kit blends tangible assembly with interactive visuals. The system is powered by USB-C, and the set offers two engaging modes: marble running and a lighting display. You can switch to lighting-only mode to enjoy an elegant desktop ornament, or mix motion and glow for a captivating centerpiece that sparks conversation without overpowering your space.\u003c\/p\u003e\n\u003ch3\u003eKey features at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNode gear drive core creates continuous marble loops with a satisfying mechanical rhythm\u003c\/li\u003e\n  \u003cli\u003eAutomatic staircase module and crystal lift deliver a cinematic ascent and descent\u003c\/li\u003e\n  \u003cli\u003eLong urban rail runs roughly 182 cm, with a pipeline routing through half the city\u003c\/li\u003e\n  \u003cli\u003eSix light boxes and close to 100 lighting variations for ambiance and drama\u003c\/li\u003e\n  \u003cli\u003eUSB-C powered with dual modes: marble motion and lighting display\u003c\/li\u003e\n  \u003cli\u003eModular ladder design supports expansion with additional themes and longer tracks\u003c\/li\u003e\n  \u003cli\u003eInfrared sensing triggers multiple light effects; a 3D mirror time tunnel adds depth\u003c\/li\u003e\n  \u003cli\u003eROKR support for questions and parts replacements during the build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get and how you can use it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne city module and one marble lift, ready for assembly\u003c\/li\u003e\n  \u003cli\u003eUSB-C power supply for straightforward setup and operation\u003c\/li\u003e\n  \u003cli\u003eClear guides to help with installation and potential expansions\u003c\/li\u003e\n  \u003cli\u003eAccess to replacement parts and assistance from ROKR if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn real life, the Alchemy City MR04S can transform a desk or shelf into a tactile and luminous focal point. The combination of precise gears, shimmering tracks, and programmable light effects offers a multisensory experience that’s as much about timing and planning as it is about building. Consider it for a thoughtful desk upgrade, a visually engaging gift for puzzle lovers, or a modular platform to experiment with new configurations as your collection grows.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the ROKR Alchemy City MR04S kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One city module, one marble lift, USB-C power, and assembly guidance for expansion across themes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I expand the track or customize the setup?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ladder supports multi-theme expansions and longer tracks with varied light effects.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ROKR","offers":[{"title":"Default Title","offer_id":46526316150983,"sku":"B0FPF6YVYF","price":97.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2355\/7319\/files\/rokr-alchemy-city-mr04s-assembly-module.jpg?v=1778421340","url":"https:\/\/toyterrax.com\/products\/rokr-alchemy-city-mr04s-3d-marble-run-advanced-diy-puzzle-kit-for-adults","provider":"ToyTerrax","version":"1.0","type":"link"}