Konstruk-Tubes allows kids to safely build creations of all shapes and sizes. There are three sizes of tubes to choose from and ten types of easy-fit connectors. All pieces are dishwasher safe and helps kids improve many skills, including problem-solving, hand-eye coordination, color recognition and hand dexterity. This item is featured on Dr. Toy's Summer 2007 Best Products List. Launch date: February 2007.