GraviTrax PRO: Vertical Extension tgtgfa23pg12 With unstoppable power and all-terrain

With unstoppable power and all-terrain capabilities

these darts add a whole new level of fun to any event

With its exquisite array of beads

this set provides endless hours of creative fun

GraviTrax PRO: Vertical Extension tgtgfa23pg12 With unstoppable power and all-terrainThe PRO Extension Vertical contains many different components for building upwards. Combined with any GraviTrax starter set, the PRO Extension Vertical brings even more possibilities and complexity to the GraviTrax universe. How many levels can the balls roll on? 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 runs. They create