Description
- What you get: 13 pieces, including adjustable bridges, extra long narrow and slow tracks and more
- Innovative: The GraviTrax interactive system allows you to design and build your own race tracks and experiment with gravity, magnetism and kinetics to propel your marbles to the end
- Clear Instructions: Comes with clear instructions so you can start building and playing in minutes
- Promotes skills: playing and building with GraviTrax promotes problem solving, creativity and encourages cooperative play with others