{"product_id":"tunnel","title":"Tunnel","description":"\u003cp\u003eInside you will find 30 Puzzles to solve (one Puzzle per page) of 7x7, 8x8, and 9x9 Tunnel. You will create a single line between two initially marked cells. The line cannot touch itself, not even diagonally. The answers are provided at the back of the book.\u003c\/p\u003e\n\n\u003cp\u003eThis activity book is perfect for yourself to fill your leisure time or as a gift to your loved one.\u003c\/p\u003e\n\n\u003cp\u003eTake a pencil and test your puzzle solving skill today!\u003c\/p\u003e","brand":"Metamorfosec","offers":[{"title":"Paperback","offer_id":44937464021153,"sku":"9781111145225","price":24.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/1120\/3233\/files\/95q7r74-front-shortedge-384_37efc591-fd6e-4e70-a8f6-fd170ed10d54.jpg?v=1748626267","url":"https:\/\/bookswholesale.myshopify.com\/products\/tunnel","provider":"BooksWholesale","version":"1.0","type":"link"}