{"product_id":"gravitrax-pro-helix-2","title":"GraviTrax PRO Extension - Helix","description":"\u003cdescription\u003eCriss-cross, under and out! Join up to six tracks with the “GraviTrax PRO Helix”! As a marble enters the “Helix”, it drops down a level without changing direction. Up to six marbles can pass through this action-accessory at the same time! Combine the “Helix” with the “GraviTrax Pro Starter-Set” or any “Starter-Set” and take your track to a new level, chock-full of fun obstacles, twists and stunts. Explore the endless possibilities and experience the power of gravity and educational fun today!\n\nWhat makes a great toy? GraviTrax checks all the boxes! It’s a creative, modular, expandable track system that challenges children to use their imagination to design and build their own marble runs! Electronic-free, GraviTrax construction sets use STEM-friendly concepts while building critical thinking and problem-solving skills. Completely open-ended, every GraviTrax set has a boredom-busting variety of play options for hours of fascinating fun. Once the basics are mastered, simply add expansion sets and accessories to propel those metal marbles around the tricked-out track of your dreams!\u003cbr\u003e\u003cbr\u003e\u003cb\u003eContents: \u003c\/b\u003e\u003cul\u003e\n\u003cli\u003e2 Instructions\u003c\/li\u003e\n\u003cli\u003e1 3D Crossing\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/description\u003e","brand":"Ravensburger","offers":[{"title":"Default Title","offer_id":39861269921886,"sku":"RV27027","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8199\/9924\/files\/GraviTrax-PRO-Extension-Helix-Marbles-and-Runs-Ravensburger.jpg?v=1747306928","url":"https:\/\/www.redballoontoystore.mom\/products\/gravitrax-pro-helix-2","provider":"The Red Balloon Toy Store","version":"1.0","type":"link"}