Gravitrax Expansion Pack - FlexTube

Connect between different levels! The FlexTube will allow you to easily connect between the different heights in your tracks. What comes up, must come down and with this extension you can easily change the direction of your marbles. The FlexTube can easily be adapted for 60-degree angles, u-shapes and s-shapes. Combined with a Starter Set, the speed in your track can also be controlled. Additional height stones are included in this extension so you can build even higher. How many places on your track can you place the FlexTube?

What makes a great toy? GraviTrax checks all the boxes! It’s a creative, modular, expandable track system that challenges children to use their imagination to design and build their own marble runs! Electronic-free, GraviTrax construction sets use STEM-friendly concepts while building critical thinking and problem-solving skills. Completely open-ended, every GraviTrax set has a boredom-busting variety of play options for hours of fascinating fun. Once the basics are mastered, simply add expansion sets and accessories to propel those metal marbles around the tricked-out track of your dreams!