{"product_id":"number-pyramids-book-clarity-media-9781493760817","title":"Number Pyramids","description":"\u003cb\u003eNumber Pyramids\u003c\/b\u003e100 pyramid maths puzzles, idea for developing your addition skills.\u003cp\u003eThe rules are simple: Fill the pyramid so that every square contains a number. The value of each square in the number pyramid is the sum of the two squares directly under it.\u003c\/p\u003e\u003cp\u003eEvery puzzle has a completed solution towards the back of the book, so if you get stuck along the way, take a look there\u0026gt;\u003c\/p\u003e\u003cp\u003eAll of our puzzle books are printed on very high quality paper, making the puzzle experience all the more enjoyable\u0026gt;\u003c\/p\u003e\u003cp\u003eFor other puzzle books, click on our author page or visit www.puzzle-book.co.uk\u003c\/p\u003e","brand":"WoB","offers":[{"title":"- \/ - \/ -","offer_id":51030038806801,"sku":"","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ NEW \/ INGRAM","offer_id":51030041133329,"sku":"NIN9781493760817","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":52112264626449,"sku":"GOR007920416","price":3.9,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1493760815.jpg?v=1751179421","url":"https:\/\/www.worldofbooks.com\/en-gb\/products\/number-pyramids-book-clarity-media-9781493760817","provider":"World of Books ","version":"1.0","type":"link"}