{"product_id":"montessori-wooden-brain-puzzle-with-challenge-card","title":"Montessori Wooden Brain Puzzle with Challenge Card","description":"\u003cp dir=\"ltr\"\u003eDesigned to turn classic block-stacking fun into a hands-on learning experience, this Montessori Tetris board lets children fit 42 colorful wooden shapes together in countless combinations while sharpening focus, logic, and spatial reasoning.\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eRecommended age: 3 years and up\u003c\/li\u003e\n\u003cli\u003eBoard dimensions: 12.3\" x 7.9\" x 1.1\" (31.3 x 20 x 2.7 cm)\u003c\/li\u003e\n\u003cli\u003eWeight: 25.2 oz (715 g)\u003c\/li\u003e\n\u003cli\u003eMaterial: High-quality eco-friendly wood with non-toxic paint\u003c\/li\u003e\n\u003cli\u003eShapes: 42 wooden pieces, including triangles, quadrilaterals, rectangles, and trapezoids\u003c\/li\u003e\n\u003cli\u003eGuidance cards: 10 double-sided cards with pattern challenges\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackage contents: 1 × wooden board, 42 × wooden shapes, 10 × double-sided cards\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Opti Montessori","offers":[{"title":"Default Title","offer_id":44921030312029,"sku":null,"price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4527\/5741\/files\/12-value-learning-cards.png?v=1787295529","url":"https:\/\/optimontessori.com\/de\/products\/montessori-wooden-brain-puzzle-with-challenge-card","provider":"Opti Montessori","version":"1.0","type":"link"}