Anonymously send a few dollars to someone who you know is struggling financially.
Write a poem, paint a picture, or make a collage for someone.
Give a lottery ticket to a random person.
When you see a moving truck, offer to help them load or unload, or help someone struggling with a heavy load.
Put money in a parking meter that’s about to expire.
Thank police and firemen for their service.
Tell a soldier thank you for serving.
Give up your seat on a crowded bus or train.