| Clue | Source | Date |
|---|---|---|
| They require third wheels! | Universal | 19 Aug 2025 |
| 3-wheeled vehicles | ||
| Human-powered three-wheelers (9) | ||
| Kiddie carriers | Wall Street Journal | 10 Dec 2024 |
| Pedal vehicles with three wheels (9) | ||
| Tot transports | Wall Street Journal | 02 Oct 2024 |
| One-wheeled bikes (9) | ||
| Three-wheelers for kids | Newsday | 26 Apr 2021 |
| Kids' vehicles | ||
| Driveway hazards, perhaps | ||
| Transport for tots |