Take your GraviTrax marble runs to the next level with the Trax Expansion Set. Designed to be used with a GraviTrax Starter Set, this pack includes extra tracks, curves, height tiles and balls to help kids build bigger, faster and more creative layouts.

Key Features

• GraviTrax Trax Expansion Set
• Includes 44 expansion pieces
• Comes with 16 large height tiles, 8 small height tiles, 7 curves, 1 junction, 1 long track, 2 medium tracks, 3 short tracks and 6 balls
• Only playable with a GraviTrax Starter Set
• Helps extend marble runs with more height, speed and variety
• Encourages creativity, spatial reasoning, planning and problem-solving skills
• Explores gravity, magnetism and kinetics through hands-on STEM play
• Clear instructions make it easy to start building