Ravensburger GraviTrax Expansion Trax Color:Multicolor Adjustable straps on the interior

Adjustable straps on the interior of the bag secure a car seat when it's packed without a base

We went with a white shimmering

Because We Mean Business

high-performance surf fabric makes it a leader in the lineup too

Add our rubber boat for the ultimate adventure weekend

Ravensburger GraviTrax Expansion Trax Color:Multicolor Adjustable straps on the interiorProduct Description Send your GraviTrax marble run sprawling into endless fascination! GraviTrax is a unique marble run system featuring hexagonal risers and track tiles that simply fit and stack together, rail tracks that hook into place, and stunt pieces that add exhilarating twists and turns. And with this expansion pack Those twist and turns become more abundant and more long lasting! Build taller, build further, and let your creativity run freer