Construct an endless variety of marble runs by rearranging 5" beechwood cubes into different layouts. Both children and adults challenge their imagination by creating ever longer and trickier tracks. Enjoy solo or work as a team. Expansion sets and a construction idea book are also available, sold separately. Awards: 2005 Catalogue House Toy Competition  Winner, 2004 Das Goldene Schaukelpferd in the category "for artists and master builders," 2003 American "Major Fun Award for Toys," 1995 the designer award "Complimenti" of the Swiss trade fair Ornaris.