{"product_id":"9780486810577","title":"The Big Brain Puzzle Book","description":"Give your brain a series of workouts that'll make it bigger and better! This colossal collection of more than 200 puzzles simultaneously provides a relaxing atmosphere for mental play and stimulates brain activity. Created by an internationally renowned puzzle-maker, the challenges involve creative thinking, mathematics, logic, language and wordplay, visuals, and general knowledge. \u003cbr\u003eKick start your neurons at Level 1 with puzzles involving hidden words, math calculations, and logical conundrums. At Level 2, fire up your synapses with cryptograms, scrambled sentences, and visual challenges. And activate your brain at Level 3 with fill-in-the-blanks, search-a-words, magic squares, and much more. If you get stumped, an answer key with complete solutions appears at the end.","brand":"Dover Publications","offers":[{"title":"Default Title","offer_id":47122966118640,"sku":"9780486810577","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780486810577_p0.jpg?v=1763709017","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780486810577","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}