{"product_id":"combination-lock-box-phone-holder-diy-kit-educational-stem-toy","title":"Combination Lock Box \u0026 Phone Holder DIY Kit","description":"\u003cp\u003eThis combination lock box and phone holder DIY kit is a mechanical puzzle you build yourself. A combination lock opens not with a key but when its internal parts line up: turning the dial rotates discs on a central shaft, and each must stop at its notch, or gate, before the lock opens.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBuild a combination lock box with a phone holder\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 you turn the dial makes the whole mechanism easy to follow, and kids enjoy setting and cracking codes once it is finished. A useful desk piece once the build is done. Find \u003ca href=\"\/collections\/mechanical-models\"\u003emore mechanical models\u003c\/a\u003e.\u003c\/p\u003e","brand":"Kitsville","offers":[{"title":"Default Title","offer_id":68047336243305,"sku":"ST038","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0265\/1537\/4185\/files\/DSC8226.jpg?v=1794461568","url":"https:\/\/makersthings.com\/products\/combination-lock-box-phone-holder-diy-kit-educational-stem-toy","provider":"maker's things","version":"1.0","type":"link"}