DNB 600 PCS 1 inch red and yellow 2 sided foam counters are what every classroom or math center needs, they are light weight and sturdy, easy for children to pick-up and handle. The foam material provides quieter game times. The quantity is also very appropriate for kids who keep losing them. These 2-color counting chips are so versatile. It can be used for virtual learning. They are ideal for demonstrating counting, addition and subtraction, offerring a variety of counting and probability activities for preschoolers to at least second grade. They make math super fun, children can visualize addition and subtraction, which greatly helps them to build early problem solving skills while having fun. They also can be used as game pieces, such as bingo chips, or children can use them to play jigsaws, which can greatly stimulate their creativity and imagination.