Xmanis Stone Building Set from Anders.  This set is super cool and hard to find!  These little guys are fun to build with, use as dominoes, making patterns, or play games like Four in a Row with.

PLAYmatters has locations in Pepper Pike, Shaker Square, Uptown Solon and Mentor.  For more information, check out their website: http://www.playmatterstoys.com/