GraviTrax - Extension Twirl

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$20 $49.99

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Ravensburger GraviTrax Twirl – Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years Up – STEM

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. Starter Set Required.

Warning! Not suitable for children under 36 months due to small balls – Choking hazard.


  • Dimensions:  ‎33.8 x 33.8 x 5.5 cm

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