The Techno Gears - Marble Mania Genius is the newest building toy set in the Techno Gears series by the Learning Journey. Marble Mania Genius is a better educational marble run kit for older children! Your children will have fun learning and playing with this power building set. Marble Mania Genius from Educational Toys Planet comes with over 520 quality pieces that include colorful gears, marble tunnels, mills, channels, 3-D links, and much more. Young tech builders can install the enclosed power elevator to make the marble run construction project even more high-tech. This gears kit also includes brand new features such as twists and turns, high-definition sounds, and rotating gears. When your child has finished building the unique marble run, it is time to launch the marbles down the run. Watching 10 glass marbles running through the aMAZEing structure is a great way for your children to see their construction project in action. This electronic building set is an entertaining way to introduce the principles of engineering and mechanics. Techno Gears - Marble Mania Genius is compatible with all Techno Gears products from Educational Toys Planet. Requires 3 AA battery (not included).