Looking for an introspective break from your work day? Stacking stones is known around the world as a creative, focus-building, meditative and stress-relieving activity. The Zen Stones Game comes in a 3" x 8 3/4" storage tube. This set of five stones are made of wood in assorted sizes with faceted edges to encourage stacking -- but it's not as easy as it seems. You'll need concentration and balance to stack all five. The storage tube features stock artwork and manufacturer information. Add your school, sports team, organizational or company logo or message to customize.