Expand your GraviTrax marble run with the Ravensburger Extension Building set for more tracks, height and creative, high-speed builds.
- Expand track options
- Build taller runs
- Boost speed and flow
- Compatible GraviTrax
- Foster STEM skills
Discover new ways to race with the Ravensburger GraviTrax Extension Building. Add extra tracks, height elements and junctions to design bolder, faster marble runs that challenge your creativity and problem‑solving.
Engineered for a seamless fit with your GraviTrax system, this extension lets you build taller structures, fine‑tune speed and craft multi‑path layouts. Pair it with a Starter Set and other expansions to keep upgrading your track as your ideas grow.
Durable components and intuitive assembly make building sessions rewarding at every skill level.
