GraviTrax allows you to design and build your own marble runs and experiment with gravity, magnetism, and kinetics to propel your marble to the finish. With a variety of tiles, levels, tracks and elements, you can control the speed of the marble

• What You Get: 2 pieces, including 2 Spiral action tiles
• Develops Critical Skills: Playing and building with GraviTrax builds spatial reasoning and planning skills, and provides a great stealth learning experience
• Clear Instructions: Comes with clear instructions so that you can start building and playing within minutes
• Only playable with GraviTrax Starter Set
• For ages 8+
• Choking Hazard: Small parts. Not for children under 3 yrs