Leave a snack for an unsuspecting co-worker or friend.
Share an inspirational story from today's news.
Write positive notes about your family or friends and share them.
Help someone with a chore, unexpectedly.
Make your own card for someone you love.
Write a thank you note to a teacher who inspired you.
Strike up a conversation with someone who looks like they need a friend.
Acknowledge an act of kindness by someone else and thank them.
Create 5 cards with positive messages and leave them in a cafe for someone to discover.
Leave flowers on the doorstep of someone you don't know with a note explaining it is indeed a random act of kindness and run!