{"product_id":"marble-run-classic-70-piece-set","title":"Marble Run Essential 70-Piece Set","description":"\u003cp data-start=\"39\" data-end=\"502\"\u003eThis classic STEM building set invites curious builders to explore motion, gravity, and problem‑solving as they assemble a customizable marble run track. With 70 interlocking pieces, you can create loops, ramps, and twists to guide marbles through exciting paths, learning about speed, angles, and cause‑and‑effect along the way. Whether used solo or with others, this set makes physics concepts feel tangible through hands‑on experimentation and creative play.\u003c\/p\u003e\n\u003cp data-start=\"504\" data-end=\"1032\"\u003eWhy You’ll Love This\u003cbr data-start=\"524\" data-end=\"527\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"504\" data-end=\"1032\"\u003eIncludes 70 durable pieces that connect to build a variety of marble run configurations and paths\u003c\/li\u003e\n\u003cli data-start=\"504\" data-end=\"1032\"\u003eEncourages understanding of motion, gravity, and kinetic energy through hands‑on assembly and testing\u003c\/li\u003e\n\u003cli data-start=\"504\" data-end=\"1032\"\u003eBright, engaging parts make it easy to visualize how angles, speed, and ramps affect movement\u003c\/li\u003e\n\u003cli data-start=\"504\" data-end=\"1032\"\u003eBeginner‑friendly design lets learners of different ages explore physics concepts at their own pace\u003c\/li\u003e\n\u003cli data-start=\"504\" data-end=\"1032\"\u003eA fun, educational activity that supports creativity, experimentation, and STEM exploration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1034\" data-end=\"1142\"\u003eBuild, test, and redesign as you watch marbles travel through tracks that bring scientific concepts to life.\u003c\/p\u003e","brand":"Thames \u0026 Kosmos","offers":[{"title":"Default Title","offer_id":49916962701505,"sku":"620407","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/0638\/7247\/files\/CopyofNewStoreSite-BackgroundRemover_2_b75b51a5-fa41-452c-832c-6b9a6d1ee40f.png?v=1784138445","url":"https:\/\/store.smm.org\/products\/marble-run-classic-70-piece-set","provider":"The Science Museum of Minnesota","version":"1.0","type":"link"}