Create incredible marble runs and see them in action with the Techno Gears Marble Mania Vortex by the Learning Journey. This new edition of the Marble Mania gears construction set includes some exciting brand new features such as an automatic marble launcher, various 3-D connectors, and lots of amazing new channels for you to connect your marble rollercoaster with. Building your one-of-a kind marble run can be easy or challenging. Use as many of the 375 pieces as you want to create a rollercoaster. Your run can build the king of marble runs or just a cool gears rollercoaster that can be enjoyed many times. After children build their marble run, they can watch marbles go down it and launch marbles with the automatic marble launcher. And this gears marble run glows in the dark!!! Techno Gears Marble Mania Vortex from Educational Toys Planet is a great gears construction kit for building and observing. This exciting kids motorized construction kit can be enjoyed by children with family or just by themselves. It is a great creative plaything to use with friends. Children can even have marble races on their rollercoaster. This Vortex marble rollercoaster requires 2 AA batteries. The Techno Gears Marble Mania Vortex is a great toy for young engineers and builders.