{"product_id":"marble-run-alchemy-city","title":"Marble Run Alchemy City","description":"\u003cp\u003eBuild a marble run from another world with Alchemy City! Part of the Parallel World Marble Run Series, this immersive 3D marble run puzzle combines \u003cstrong\u003eengineering, kinetic motion, light, sound, and creative problem-solving\u003c\/strong\u003e in one mesmerizing hands-on experience.\u003c\/p\u003e\n\u003cp\u003eInspired by an imagined future where alchemy meets technology, Alchemy City features winding pathways, glowing towers, and crystal-like conduits designed to create continuous marble motion. Its modular\u003cstrong\u003e \u003c\/strong\u003ejack-type panel system makes assembly intuitive while encouraging builders to experiment with balance, structure, and the many possible paths a marble can take.\u003c\/p\u003e\n\u003cp\u003eAs the marbles move through the course, the experience comes alive with colorful LED lights that respond to ambient sound, marble movement, and the selected lighting mode. Watch the changing light patterns as motion and sound interact with the structure, adding another layer of sensory discovery to the marble run.\u003c\/p\u003e\n\u003cp\u003eSpecial surface treatments give the components distinctive textures and translucent layers, creating an intricate visual effect as light moves through the structure. The result is more than a traditional marble track—it's a 3D construction puzzle and STEM-inspired kinetic toy designed to spark curiosity and invite experimentation.\u003c\/p\u003e\n\u003cp\u003eExplore \u003cstrong\u003emotion, gravity, balance, sound, light, and engineering\u003c\/strong\u003e as you build, adjust, and send marbles racing through your own futuristic city.\u003c\/p\u003e\n\u003cp\u003eBuild the city. Set it in motion. Discover what happens next.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAssembly Time\u003c\/strong\u003e: 2 Hours\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDifficulty\u003c\/strong\u003e : 3\/5\u003c\/p\u003e","brand":"Robotime","offers":[{"title":"Default Title","offer_id":67625841295589,"sku":"39886","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/2045\/files\/MarbleRunAlchemyCity_Main.png?v=1791393893","url":"https:\/\/www.exploratoriumstore.com\/products\/marble-run-alchemy-city","provider":"Exploratorium","version":"1.0","type":"link"}