Maple seed propellers are fun. They come in a variety of shapes and sizes. You probably played with them as a kid. Nature has crafted an exquisite design capable of carrying them far from the tree.
In the center of the top picture, is an American Elm seed wafer. This old elm is tall and healthy on the edge of our property. Each spring, it produces these dime sized seed wafers. I hope each year the wind will blow them away from my house and driveway for the week they are dropping. It seems that 98% of them blow and drift into my garage. The rest get stuck in every nook and cranny where they start growing with the next rains. I am pulling the little sprouts all year.
Nature again has her way of providing for survival.