Ravensburger GraviTrax Zipline Accessory - Marble Run and STEM Toy for Boys and Girls Age 8 and Up - Expansion for 2019 Toy of The Year Finalist GraviTrax
- What you get – the GraviTrax Zipline Expansion comes with 1 zipline set, 1 long Track, 2 medium tracks, and 3 short tracks. The perfect accessory for curious kids aged 8 and up looking to add some flair to their starter set..
- Innovative – GraviTrax is a modular, electronic-free interactive track system where you can design and build your own race tracks and experiment with gravity, magnetism, and kinetics to propel your ball to the finish. Only playable with GraviTrax starter set.
- Clear instructions – comes with detailed instructions so that you can start building and playing within minutes..
- Develops critical skills – playing and building with gravitrax develops spatial reasoning and planning skills, and provides a great stealth learning experience for STEM..
- GraviTrax: The popular STEM toy for boys and girls ages 8 and up - Over 6 million sold worldwide.