Yo-yos are fun. I was a little bored so I made a yo-yo, then another, and another. I recently discovered that a yo-yo is called a Suffolk puff in the U.K. Nice. It sounds like a pastry.
Underneath them is the scrim, to which I added a second cluster of circles. Am I having fun? You bet!
Simplicity is the removal of the useless and the unnecessary--source unknown