Plan your outdoor family day. Go grocery shopping with a parent or other adult member of your family. Set up a savings account. Keep a record of how you spend money for 2 weeks. Pretend you are shopping for a car for your family.
Discuss family finances with a parent or guardian.
Play a board game with your family that involves the use of play money. With an adult, figure out how much it costs for each person in your home to eat one meal. Know the rules for bike safety. If your town requires a bicycle license, be sure to get one. Learn to ride a bike, if you haven't by now.