Marble Run

24 brightly colored pieces in 4 different shapes to slot together into a marble run. Children will enjoy devising a variety of routes for the marbles to roll along as they decend to a home base, 6 marbles included. WHAT CUSTOMERS SAY - ''there are many companies that make a similar product out of plastic but the Envisionmart/GALT Marble Run is the most durable" 5 out of 5 stars in most internet ratings.