GraviTrax PRO: Vertical Extension tgtgfa23pg12 Balls will automatically roll down

Balls will automatically roll down the court to you after they are shot

With unstoppable power and all-terrain capabilities

6' when laid out)

Featuring clowns

GraviTrax PRO: Vertical Extension tgtgfa23pg12 Balls will automatically roll downThe 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