Farmer's Market dramatic play center would be an excellent center, which could be tied into a lesson. Depending on the area the school is located, children may not be familiar with farmer's markets, but farmer's markets could be tied into a lesson.
Instead of numbers write the color word on the bottles. Sort pom-poms by color. Empty each bottle and count the pom-poms. Then record how many pom-poms were in each bottle. Add the two colors together for addition practice.