GraviTrax Expansion Building - Marble run accessories 1/24 Scale one controller will drive both

one controller will drive both cars

by allowing the adapter to be bolted onto the engine before you mount the muffler onto the adapter

1 long track

The model authentically captures the inline-6 engine at its distinctive cant used to achieve the low-nose form

GraviTrax Expansion Building - Marble run accessories 1/24 Scale one controller will drive bothThe Extension Building contains many different basic components to extend the marble run. Combined with any GraviTrax starter set, the Extension Building 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 runs.