Get ready to exciting marble racing with this cool gears raceway construction set! Techno Gears Marble Mania Dual Speedway 2.0 is the newest addition to the Leaing Jouey's Techno Gears building toys series. This high tech gears construction set includes 300+ colorful pieces to build and create your own marble and gear run. Techno Gears Marble Mania Dual Speedway 2.0 features dual launchers that allow the children to race the marbles against each other through the twisting and tuing tracks right to the finish line. This deluxe building set includes a talking trophy with cool speedway sounds to bring even more racing fun. When assembled, this gears marble raceway allows kids to watch their marbles drop, spin and roll through their own fun and exciting creation. This 300+pcs Techno Gears construction toy from Educational Toys Planet will promote the principles of mechanics and teach kids great building skills. The Dual Speedway gears toy requires 2 AA batteries (not included). Colors may vary.