Techno Gears Marble Mania Extreme 3.0 has over 200 pieces that can be used to create a marble run that will automatically take your marbles and move them through the run. The set includes multiple channels, 3-D connectors and structures, a power lifter and much more – everything necessary to build and "Power Up" hundreds of marble run designs. Requires one AA battery (not included). Ages 6+ years. Techno Gears Marble Mania Extreme 3.0 has over 200 pieces that can be used to create a marble run that will automatically take your marbles and move them through the run The set includes multiple channels, 3-D connectors and structures, a power lifter and much more - everything necessary to build and "Power Up" hundreds of marble run designs! Winner Creative Child Award Top Toy of the Year 2013, Dr. Toy Best Picks 2012 Requires one AA battery (not included) For ages 6 and up More than 330 colorful construction pieces Power Lifter Automatic Ball Return Interlocking Plates Gears 3-D Connectors Shafts Channels Funnel And Pendulum Motorized Gear Unit Compatible with all Techno Gears Sets