Techno Gears Marble Mania Mega
This high tech version of Marble Mania has over 450 pieces allowing you to build a bigger and better marble run. New dual marble tracks, electronic sound chamber and a spiral track channel are just a few of the features of the Mega set. Techno Gears Mega Marble Mania will keep your "young architect" busy creating exciting working and moving creations. Requires one "AA" battery. Ages 8+ years.