In this educatiol puzzle, the child learns numbers, and basic addition and subtraction. This product provides children with an activity that is both fun as well as geared towards developing their basic arithmetic skills, visual skills, motor skills and hand-eye coordition. Assembling the pieces will improve the child\'s concentration and level of patience. Meant for children of age 3 years and above, and includes 15 puzzles. Only the correct pieces will fit with each other ensuring that the child learns the concept properly.