GraviTrax Volcano Accessory-Marble Run & Construction Toy for Kids Age 8 Years and up
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- As seen on TV - GraviTrax is an innovative marble run and contruction toy for boys and for girls ages 8 years and up. It is an ideal christmas gift or birthday gift for smart, curious kids. Cause an Explosion! The Volcano unleashes new energy into your track system!
- Innovative - The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with engineering, gravity, magnetism, and kinetics to propel your ball to the finish.
- Infinitely Expandable - Gravitrax in fully expandable with a large range of expansion pack and accessories! An amazing building toy!
- 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 construction and start playing with this fun brain game within minutes