- Provides an exciting hands-on STEM learning experience.
- Durable construction ensures long-lasting play.

Ravensburger GraviTrax FlexTube Accessory is an exciting marble run and STEM toy for boys and girls age 8 and up. This accessory is specifically designed to be used with the 2019 Toy of the Year Finalist GraviTrax. This set includes two flexible tubes that can be used to build and customize your own marble run. The tubes can be bent, curved and even connected together to create an exciting and unique track. With the FlexTube Accessory, children can explore the principles of gravity and motion as they design their own marble runs. The set also includes a variety of different pieces to add to the tracks, such as obstacles and launchers. With the FlexTube Accessory, children can create their own unique marble runs that are limited only by their imagination. Ravensburger GraviTrax FlexTube Accessory is the perfect addition to any GraviTrax set and will provide hours of fun for kids of all ages.

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