{"product_id":"9781453504017","title":"Number Fun","description":"This book is like 210 individual  puzzles while at the same time it is one very large puzzle.   \u003cbr\u003e  \u003cbr\u003eThings needed to play this game.  \u003cbr\u003e  \u003cbr\u003e1.A hand held calculator.  \u003cbr\u003e  \u003cbr\u003e2.A pencil with a good eraser.  \u003cbr\u003e  \u003cbr\u003e3.A good amount of patience.  \u003cbr\u003e  \u003cbr\u003e4.At least some interest in puzzles.  \u003cbr\u003e  \u003cbr\u003e  \u003cbr\u003e       \u003cbr\u003e  \u003cbr\u003e       Age requirement  \u003cbr\u003e  \u003cbr\u003e     Good for any age if you can add and subtract and use a calculator.  To try this without a calculator would require reams of scrap paper and lots of time.  \u003cbr\u003e","brand":"Xlibris US","offers":[{"title":"Default Title","offer_id":47171852697840,"sku":"9781453504017","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781453504017_p0.jpg?v=1763856825","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781453504017","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}