{"product_id":"gravitrax-starter-set","title":"GraviTrax: Starter Set","description":"GraviTrax Starter Set unleashes the spirit of invention with over 120 parts and endless building possibilities. This interactive ball track system for ages 8+ lets builders create unique marble worlds while exploring gravity and physics firsthand. Includes example tracks and instructions to spark creativity. All GraviTrax lines—CORE, PRO, and POWER—work together seamlessly, and the universe expands infinitely with compatible extensions. Perfect for hands-on learning, problem-solving, and imaginative play that grows with your child.","brand":"Ravensburger","offers":[{"title":"Default Title","offer_id":42615208181821,"sku":"22410","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8475\/6029\/files\/22410.webp?v=1777518670","url":"https:\/\/tools4teaching.biz\/products\/gravitrax-starter-set","provider":"Tools 4 Teaching","version":"1.0","type":"link"}