Ravensburger GraviTrax Extension Turntable

- For children and adults from 8 years old - The interactive marble run system from Ravensburger - With the GraviTrax marble run system, you can build your own marble run world by creatively using the laws of gravity; use the various construction elements to create an action-packed course and bring the marbles to the finish line using magnetism, kinetics, and gravity - With the GraviTrax marble run system, you can playfully discover gravity, and with various expansions, it can be enlarged for limitless building and playing fun; add even more speed with the expansion sets - Combine as much as you like - because all GraviTrax sets are compatible with each other