EXTREME building for EXTREME kids! This massive maze packs a punch for the senses! There are more than 200+ colorful construction pieces that will be used to create this fascinating Techno Gears Marble Mania Extreme GLO marble run, measuring more than 2' high! Once complete, watch gears rotate and marbles rise through the power corkscrew lifter and exit onto multiple illuminated channels and in different directions. The set includes channels, translucent 3-D connectors, and structures, a powerlifter, LED light modules, and much more – everything necessary to build, illuminate, and “power up” hundreds of marble run designs. All Techno Gears Marble Mania sets align with STEM (Science, Technology, Engineering, and Math) standards and are interchangeable. Supports Developmental Skills – Improves Fine Motor Skills by building with and connecting parts. Builds confidence and boosts self-esteem by providing a sense of achievement.