But if your three-year-old has the habit of putting everything in the mouth, you need to exercise some caution. Playdough is a popular activity that encourages creativity in children. Listed below are a variety of sensory development activities that would stimulate your child’s senses differently. The benefits of sensory activities could include language development, development of fine motor skills, and problem-solving. Sensory activities for kids stimulate their senses like touch, smell, taste, sight, hearing, balance, and movement. Image: IStock Sensory Developmental Activities