{"product_id":"wooden-number-line-board-positive-and-negative","title":"Montessori Wooden Number Line Board -  Math Addition and Subtraction Tools","description":"\u003cp\u003eMake Math Visual and Tangible!\u003cbr\u003eHelp your child master the concept of positive and negative numbers with our handcrafted solid oak number line. Perfect for visualizing addition, subtraction, and number sense.\u003cbr\u003eOptions:\u003cbr\u003eSet: Choose between \"Board\" or \"Board with Felt Balls\".\u003cbr\u003eDesign: Two boards covering the full range from negative to positive.\u003c\/p\u003e\n\u003cp\u003eDimensions:\u003cbr\u003ePositive board Size: 23 x 7 cm (approx. 9.05 x 2.75 inches). \u003cbr\u003eNegative board Size: 21 x 7 cm (approx. 8.27 x 2.75 inches). \u003cbr\u003eThickness -2 cm (0.9\")\u003cbr\u003eFelt Balls: 1.5 cm (approx. 0.6 inches) — perfect for little hands.\u003c\/p\u003e\n\u003cp\u003eMaterials \u0026amp; Quality:\u003cbr\u003eWood: Premium solid Oak.\u003cbr\u003eFinish: Eco-friendly natural oil (safe for children).\u003cbr\u003eDurability: Built to last through years of homeschooling and classroom use.\u003c\/p\u003e\n\u003cp\u003eINCLUDES \u003cbr\u003e- wooden number line (0–10) or (-1 to -10) or both\u003cbr\u003e- felt balls (10 or 20 depends on variation).\u003cbr\u003e- linen bag for balls.\u003c\/p\u003e\n\u003cp\u003ePERSONALIZATION\u003cbr\u003eWe can personalized this board, only write us what name or text you want.\u003c\/p\u003e\n\u003cp\u003eMore of our wooden items available here:\u003cbr\u003ehttps:\/\/threewoodshop.etsy.com\u003c\/p\u003e\n\u003cp\u003eABOUT ORDER \u003cbr\u003eWe need to prepare an order for shipping (delivery) 1 day. After your order has been shipped, we will send you a message with Tracking number.\u003c\/p\u003e\n\u003cp\u003ePACKAGING\u003cbr\u003eAll  handmade items are beautiful packaged.\u003c\/p\u003e\n\u003cp\u003eIS THIS ITEM A GIFT?\u003cbr\u003eIf your frame is a gift we can include gift card and send in to the direct. Please, write a note detailing the wording you would like and write correct address.\u003c\/p\u003e\n\u003cp\u003eJoin us on Social Media!\u003cbr\u003e● Pinterest http:\/\/pinterest.com\/threewoodShop\u003cbr\u003e● Facebook https:\/\/www.facebook.com\/threewood.eng\u003cbr\u003e● Instagram https:\/\/www.instagram.com\/_threewood_\/\u003cbr\u003e● Twitter http:\/\/twitter.com\/threewoodShop\u003c\/p\u003e\n\u003cp\u003eDon't forget to add this item to your Favourites to be sure not to lose it\u003c\/p\u003e","brand":"threewood","offers":[{"title":"Positive \/ None","offer_id":48583814152397,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"Positive \/ 10 balls","offer_id":48583814185165,"sku":null,"price":18.99,"currency_code":"USD","in_stock":true},{"title":"Positive \/ 20 balls","offer_id":48583814217933,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true},{"title":"Negative \/ None","offer_id":48583814250701,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"Negative \/ 10 balls","offer_id":48583814283469,"sku":null,"price":18.99,"currency_code":"USD","in_stock":true},{"title":"Negative \/ 20 balls","offer_id":48583814316237,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true},{"title":"Both board \/ None","offer_id":48583814349005,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"Both board \/ 10 balls","offer_id":48583814381773,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Both board \/ 20 balls","offer_id":48583814414541,"sku":null,"price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/2964\/6797\/files\/20260617_111051.jpg?v=1781698669","url":"https:\/\/threewood.shop\/products\/wooden-number-line-board-positive-and-negative","provider":"THREEWOOD","version":"1.0","type":"link"}