| Clue | Source | Date |
|---|---|---|
| Some small trucks | Wall Street Journal | 17 Aug 2019 |
| Some small trucks | ||
| Some small trucks | LA Times Daily | 02 Aug 2018 |
| Some small trucks | The Washington Post | 02 Aug 2018 |
| Some small trucks | ||
| Some toy trucks | New York Times | 28 Sep 2017 |
| Some toy trucks | ||
| Mighty Dump Trucks, e.g. | ||
| Mighty Dump Trucks, e.g. | ||
| Toy trucks | ||
| Some toy trucks |