40 quick and easy brain-building activity ideas for five year olds. Challenge, engage, and interact with five year olds as you promote brain development. These hands-on learning activity ideas support children as they build skill in all learning areas. They are just so easy to use and entirely fun and developmentally appropriate.. you will never be short of teaching and learning ideas for your five year olds. Information on how these attentive and fun experiences help a child's brain develop is also included. Brain Insights activity cards are compact and portable, making it easy to jumpstart interactive play anywhere throughout the day.