{"product_id":"hand-crank-marble-run-3d-wooden-puzzle","title":"Hand-Crank Marble Run 3D Wooden Puzzle","description":"\u003cp\u003eDiscover the magic of kinetic motion with the Hand-Crank Marble Run. Ideal for a weekend digital detox or as a thoughtful gift for the mechanically minded adult, this engaging project turns focused building time into a functioning masterpiece. Featuring working gears and precision laser-cut birch wood parts, this mechanical 3D wooden puzzle offers a satisfying no-glue build. Watch the intricate marble run or clockwork mechanisms spring to life right before your eyes. Enjoy free US shipping and duties included on all orders. Your mindful escape arrives with a standard 6-8 business days delivery.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFinished size\u003c\/th\u003e\n\u003ctd\u003eLength 14 cm \/ 5.5 in · Width 9 cm \/ 3.5 in · Height 13.2 cm \/ 5.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage weight\u003c\/th\u003e\n\u003ctd\u003e180 g \/ 0.180 kg \/ 0.40 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAge range\u003c\/th\u003e\n\u003ctd\u003e14+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePremium Birch Plywood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDifficulty\u003c\/th\u003e\n\u003ctd\u003eBeginner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"JigDen","offers":[{"title":"Default Title","offer_id":51933734928600,"sku":"MPT044","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6832\/3032\/files\/01_main_white_4e004d21-c77e-47cb-b795-64b483263962.jpg?v=1782971029","url":"https:\/\/jigden.com\/products\/hand-crank-marble-run-3d-wooden-puzzle","provider":"JigDen","version":"1.0","type":"link"}