When I was growing up, the neighbourhood kids I played with were easily entertained.
Springtime brings warmer temperatures, more daylight and melting snow.
Streams of snowmelt in the parking lot in front of my house would make tiny little rivers of water as it flowed toward the storm drain.
So we had toothpick races. Or stick races. Or whatever-would-float races.
We'd find a nice little stream that was deep enough to float a toothpick and had some decent flow. Then two or three of us would drop our toothpicks in, and see which one made it to the storm drain first.
It was good, fun entertainment for a bunch of 7-9 year olds. I suppose it was kind of our version of Pooh sticks.