From the time my daughter was small up until about 7th grade, we made May baskets every May Day for our friends' and neighbors' doors.
We would make paper cones and decorate them with little artworks and glitter and hang them with ribbon. We filled them with flowers from our yard (well, mostly :-) and candy and little good fortunes such as you would find in a fortune cookie.
Then we would hang them on our neighbors' doorknobs or gates and ring the doorbells and run.
The last time we made May baskets was when my daughter was in 6th grade; she put one on the gate of our neighbor, Mr. Pierce. Mr. Pierce was an antique; he always wore a suit - even to take a walk. She put the May basket on his gate and he apparently saw her because he showed up at our door and asked if we did it. He said it made him happy and reminded him of his childhood.
I totally whiffed May Day this year and my daughter was too busy (although she had planned to make May baskets) but she did reminisce about how we used to do it and how much fun it was. So, if you have kids, it's a cute, memorable thing to do going forward. I'll try to remind you next year.