Shaving Cream Painting is a process art activity for preschoolers and toddlers. (My 7 year old loves it too.) You need minimal supplies and I guarantee that your 4 or 5 year old child will have at least 30 minutes of sensory fun.
Age-Appropriate Chores for Kids with FREE Printable Age Appropriate Chores for Kids. Maybe the almost 6 year old can start loading the dish washer! I might need a different stool do he can reach the sink better.