{"product_id":"combination-lock-box-diy-kit-educational-stem-toy","title":"Combination Lock Box DIY Kit","description":"\u003cp\u003eThis combination lock box DIY kit shows how a lock can open without a key. A combination lock relies on the alignment of its internal parts: turning the dial rotates a set of discs on a central shaft, and each disc has a notch that must line up before the lock opens. Building one makes that mechanism easy to understand.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBuild your own combination lock box\u003c\/li\u003e\n\u003cli\u003eLearn how discs, gates and a central shaft work together\u003c\/li\u003e\n\u003cli\u003eMechanical puzzle that encourages critical thinking\u003c\/li\u003e\n\u003cli\u003eIntroduces numerical patterns and codes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eRecommended age:\u003c\/strong\u003e 8+\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eWatching the discs line up as the dial turns makes the whole mechanism click, literally and figuratively. A satisfying build that also gives kids a place to keep small treasures. Find \u003ca href=\"\/collections\/mechanical-models\"\u003emore mechanical models\u003c\/a\u003e.\u003c\/p\u003e","brand":"Kitsville","offers":[{"title":"Default Title","offer_id":68047333261417,"sku":"ST005","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0265\/1537\/4185\/files\/DSC8403-2.jpg?v=1794461520","url":"https:\/\/makersthings.com\/products\/combination-lock-box-diy-kit-educational-stem-toy","provider":"maker's things","version":"1.0","type":"link"}