FlexTube makes it easy for you to connect the different levels of your course. What comes up must come down, and with this extension you can easily change the direction of your balls. FlexTube can be easily adapted to 60-degree angles, u-shapes and s-shapes. Combined with a Starter set, you can also control the speed of the balls on your trajectory. Extra height modules are included in this extension so you can build even taller. How many places on your track can you place your FlexTube