GraviTrax Expansion Trax skyboard or journaling

or journaling

and puzzle guide

Friendly fish smile from the water’s edge

with 144 slots to showcase your cherished StickerBeans

GraviTrax Expansion Trax skyboard or journalingThe Extension Trax contains many different basic components and 6 balls to extend the ball track. Combined with any GraviTrax starter set, the Extension Trax brings even more variety and ball fun to the GraviTrax universe. How much longer can the ball roll with the new elements? GraviTrax is a flexibly expandable, interactive marble run system for children aged 8 and over: With GraviTrax, children, teenagers and adults don't just build simple marble