{"product_id":"spy-lab-secret-codes","title":"Spy Lab Secret Codes","description":"\u003cp\u003eLearn about different types of codes and ciphers that have been used throughout history-and how you can use them in your own investigations!  Includes materials to teach you how to encrypt and decrypt messages using a cipher disk and polybius square as well as how to send messages through knots in rope or by writing special symbols with chalk.  Ages 8+\u003c\/p\u003e","brand":"Thames \u0026 Kosmos","offers":[{"title":"Default Title","offer_id":45673585180858,"sku":"TKM548015","price":7.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/0694\/4442\/files\/tmp81AmpcCqbyL._AC_SL1500.jpg?v=1772443268","url":"https:\/\/glenellyn.learningexpress.com\/products\/spy-lab-secret-codes","provider":"Learning Express Toys \u0026 Gifts - Glen Ellyn IL","version":"1.0","type":"link"}