| Location | Main Location |
| Location Code | 515 |
- The package includes 100 two-color counters packed in a plastic storage box.
- Durable plastic counters provide a variety of counting and probability activities for students.
- They measure one inch in diameter and are red on one side and yellow on the other.
- Mr. Pen counters allow students to see results and engage them in problem-solving visually.
- Two-color math counters are excellent for sorting, counting, patterning, and probability activities