Name a kind of collector cards people trade. ("Sports cards" is not an answer. Be more specific.)
| 1 | hardball | |
|---|---|---|
| 1 | baseball | |
| 1 | softball field | |
| 1 | fastball | |
| 2 | pokemon | |
| 3 | texas hold 'em | |
| 3 | poker | |
| 3 | playing cards | |
| 3 | aces | |
| 3 | euchre | |
| 3 | cribbage | |
| 3 | bridge | |
| 3 | cards | |
| 4 | business cards | |
| 4 | company cards | |
| 5 | xmas | |
| 5 | noel | |
| 5 | santa | |
| 5 | christmas cards | |
| 5 | yule | |
| 6 | comic cards | |
| 7 | hot wheels | |
| 7 | wheels |