Built a wobbling solar system out of a kid's old marbles

One of the littles left his marble bag behind last week, and tonight I arranged them on the kitchen table in orbit around a tea mug. Jupiter is a green shooter, Pluto is a chipped blue one that keeps rolling off the edge of the table because nothing stays where you put it. We'll see if he notices or if he just thinks I've finally lost it. Sometimes the best thing you make is a mess that looks like a system.