Learning Resources Two-Color Counters, Red/Yellow, Educational Counting, Sorting, Patterning, and Probability Activities, Set of 200, Grades K+, Ages 5+

Amazon.com Price:  $4.74 (as of 31/12/2019 09:00 PST- Details)

Durable plastic counters provide a variety of counting and probability activities for students. Counters measure one inch in diameter and are red on one side, yellow on the other.
Counters allow students to visually see results
Helps engage students in problem solving