Launch your way through cool "glow in the dark" tracks with the Techno Gears Marble Mania Vortex 2.0. The automatic marble launcher is just one feature of this 300+ piece construction set. Fun space sounds, 3-D connectors and glowing channels will have the entire family enjoying this new twist on a traditional marble run. Requires three AA batteries (not included). Ages 8+ years. Launch your way through cool "glow in the dark" tracks with the Techno Gears Marble Mania Vortex 2.0 The automatic marble launcher is just one feature of this 300+ piece construction set Fun space sounds, 3-D connectors and glowing channels will have the entire family enjoying this new twist on a traditional marble run Requires three AA batteries (not included) For ages 8 and up More than 375 colorful construction pieces Automatic marble launcher Interlocking Plates Gears 3-D Connectors Shafts Channels Funnel And Pendulum Motorized Gear Unit Compatible with all Techno Gears Sets