{"product_id":"calcudoku-conundrum-for-kids-ludiyouxi-9798506179856","title":"Calcudoku Conundrum For Kids: 144 Puzzles For Kids Age 5-8: Vol. 01 Easy","description":"Calcudoku Conundrum For Kids Help kids learn math through fun strategy games.Calcudoku, Mathdoku, or Square Wisdom is a mathematical and logical puzzle loosely similar to Sudoku. It was invented by Japanese mathematics teacher Tetsuya Miyamoto. Sudoku \u0026amp; Brain Health Brain games and puzzles, like Sudoku, help delay dementia \u0026amp; Alzheimer's disease as well as help the brain assess memory, attention \u0026amp; reasoning. Sudoku keeps the brain stimulated and can be very therapeutic. How to Play The objective is to fill the grid in with the digits 1 through N (where N is the number of rows or columns in the grid): - Each row contains exactly one of each digit. - Each column contains exactly one of each digit. - Each bold-outlined group of cells contains digits which achieve the specified result using the specified mathematical operation: addition (+), and subtraction (-). Digits may be repeated within a block.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Ludiyouxi\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 8506179858\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798506179856\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 05\/19\/2021\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 58\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.35lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.02h x 8.50w x 0.12d","brand":"Ludiyouxi","offers":[{"title":"Paperback","offer_id":44071776551167,"sku":"9798506179856","price":6.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_1d9d49cf-4fbc-455f-82af-3020814a71fb.jpg?v=1685438072","url":"https:\/\/www.whiterainbookhouse.com\/products\/calcudoku-conundrum-for-kids-ludiyouxi-9798506179856","provider":"WR Book House","version":"1.0","type":"link"}