With an increasing number of kids who have sensory processing disorder or sensory issues related to brain injury, concussion or autism, there’s a lot of new knowledge about sensory play and sensory activities. We started reading up on sensory play and sensory processing disorder years ago when Ainsley was first diagnosed.     Depending on whether your child is sensory seeking or sensory avoiding any one, or all of these may appeal to them.   FIVE EASY SENSORY PLAY ACTIVITIES FOR KIDS     Fill a sink with warm water and soap suds. Have them wash things. Toys, dolls, dishes. My youngest daughter, shown here, could do this for almost…