{"product_id":"w4","title":"W-4 — Grand Gear Circuit","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eA sprawling network of chutes and rails winds its way around a central gear mechanism, sending marbles looping, dropping, and criss-crossing across multiple levels before they reach the base. Motorised and full of movement, this is one of the busiest builds in the range — plenty to watch, wherever your eye lands.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eDisplay case optional. Hand-finished in solid natural wood. No glue required. Recommended for builders aged 8+.\u003c\/p\u003e","brand":"Hewco Sales","offers":[{"title":"Default Title","offer_id":53547904500059,"sku":null,"price":54.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/3408\/8027\/files\/W-4.avif?v=1783577602","url":"https:\/\/www.marblerunshop.co.uk\/products\/w4","provider":"Marble Run Shop","version":"1.0","type":"link"}