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.
This activity works on fine motor skills and color mixing. I feel this would be able to work this into a theme that dealt with winter. I would ask the Toddlers to create different snowflakes or different things they may see during winter time