Mastering fine and gross motor skills are important for a toddler's growth and development. They are one of the key areas of focus in daycares, playcentres and preschools. Large muscle movement is responsible for running, jumping, sitting and so on. Tools that aid that dexterity include stacking and pounding equipment, sorting boxes, tower construction. Toy stackers and posting boxes aid colour recognition skills as well as shape and size discrimination. Eye to hand coordination is also refined when using stacking and pounding resources.