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KEY FEATURES – The Techno Gears Marble Mania Extreme 4.0 (200+ pcs.) includes marbles, 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. Finished marble maze measures 9.31” long x 23.73” wide x 28.99” high, weighs 3.8 lbs.