Unit 3: Incidental Learning - This video discusses the vital importance of free play and explains what children learn incidentally when manipulating the rods.Child's Play Math was originally created to introduce math concepts to young children, from preschool upwards, through play, games, open-ended-tasks, challenges and directed activities. The program utilizes Cuisenaire Rods. However it has been used effectively with children, and adults, of all ages who struggled to grasp math concepts the