Lakeshore waterways pipe builder set of 50 lakeshore c1456 p align left this waterways pipe building set from lakshore is a great introduction play item for children into the world of water flow and construction create twisting turning constructions that are perfect for water play courtesy of these easy to construct pipe builders the 46 slide together pieces and 4 funnels form a solid structure which children can watch as water flows through the translucent pipes p waterways pipe bui