{"product_id":"subtraction-13-18-flash-cards-ste53104","title":"Subtraction 13-18 Flash Cards - US 4653","description":"Children master subtraction facts 13 through 18…with handy, double-sided flash cards that provide learning fun for everyone! On front, each flash card features a subtraction problem. On back, the matching problem is shown with its correct difference. The set includes 99 durable flash cards, each with quick-sorting, rounded corners. Cards measure 3\" x 6\".","brand":"Acme","offers":[{"title":"6 yrs. - 8 yrs. \/ 1st gr. - 3rd gr.","offer_id":42952849522782,"sku":"US-4653-6-YRS-8-YRS-1ST-GR-3RD-GR","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/3302\/4094\/files\/005273-subtraction-13-18-flash-cards-01-c57e093e.webp?v=1782725210","url":"https:\/\/lakeshoresale.com\/products\/subtraction-13-18-flash-cards-ste53104","provider":"Lakeshore outlet shop","version":"1.0","type":"link"}