An expansion pack adds basic building components to any GraviTrax starter set. New tracks, curves, and connectors change how far the marble rolls and create fresh layouts. The extension works with all GraviTrax lines, including CORE, PRO, and POWER. A simple way to grow a marble run collection and explore new track designs.

Features:

• Basic building components included
• Works with any GraviTrax starter set
• Combines with CORE, PRO, and POWER
• Adds variety to marble runs
• Ages 8 and up