Gold
Participate in a cultural exchange program, speak to somebody abroad in their native language.
Attend a cultural festival.
Participate in a different cultures event or festival.
Visit a local government office or courthouse.
Attend a summer camp.
Paddleboard or ride an inflatable in the sea (supervised by an adult).
Attend a workshop on mindfulness or meditation.
Take a martial arts class.
Silver
Go camping or hiking.
Bake cookies and share them with family/friends members who don't live with you.
Participate in a beach clean.
Visit a zoo/ aquarium/animal sanctuary.
Visit a national park.
Attend a live theater performance.
Attend a professional sports game.
Visit a science center or planetarium.
Go to a fancy dress party dressed up.
Bronze
Learn to cook a new recipe.
Go on a school trip.
Have a picnic in the park.
Visit a local library and get a library card.
Learn to play a card game.
Visit a beach and collect shells/skim a '3 bouncer' stone.
Attend a local fair or carnival.
Raise £10 or more for charity