{"product_id":"gravitrax-trax-expansion-set-marble-run-add-on-for-kids-8-and-up","title":"GraviTrax Trax Expansion Set, Marble Run Add On for Kids 8 and Up","description":"\u003cp\u003eTake GraviTrax tracks even further with the Trax expansion set. Adding 6 extra marbles and 38 building pieces, this set opens up new track designs and even longer marble runs. Combine it with any GraviTrax Starter Set to expand the fun and explore new ways marbles can roll, bounce, and travel. A great addition for builders ages 8 and up who already love the GraviTrax universe.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExpands any GraviTrax set: Adds 6 marbles and 38 building pieces for longer, more creative tracks\u003c\/li\u003e\n\u003cli\u003eBuilds longer runs: New elements let kids discover fresh ways for marbles to travel\u003c\/li\u003e\n\u003cli\u003eCombine and create: Pairs with any GraviTrax Starter Set for even more marble run fun\u003c\/li\u003e\n\u003cli\u003eHands on science: Builders explore gravity and rolling motion as tracks grow more complex\u003c\/li\u003e\n\u003cli\u003eFully expandable: Combines with GraviTrax CORE, PRO, and POWER products for endless builds\u003c\/li\u003e\n\u003cli\u003eGreat gift for builders: A fun add on for kids ages 8 and up who love hands on building\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ravensburger","offers":[{"title":"Default Title","offer_id":67565138772265,"sku":"RVN22410","price":69.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/gramcoschoolsupplies.com\/products\/gravitrax-trax-expansion-set-marble-run-add-on-for-kids-8-and-up","provider":"Gramco School Supplies","version":"1.0","type":"link"}