ErectaStep Extended TV Commercial 8th Wonder of the World Binding Arbitration: ErectaStep vs. The Seven World Wonders Watch the extended version of the ErectaStep TV commercial. There are many lists of “The Wonders of the World.” ErectaStep, the world leader in modular stairs, catwalks, and handrails, has claimed 8th Wonder status. The creators of the World’s Ancient Wonders are not amused. But are about to be astonished.