This is one of those mad scientist looking contraptions. It has a bell and dials and pipes and everything. The Christmas lights just mean extra bonus points.
So they’re really bikes. Bikes are a gizmo, aren’t they? I mean, it’s a contraption with wheels that you push with your feet and stop with your hands.
What makes this picture, for me, is the Post-It note with the old-fashioned stamp on it.
Again, wheels and chains and rivets, oh my!