Make any slab of wood a floating shelf with a tough and invisible custom floating shelf bracket from silicate studio. Works especially well with reclaimed wood. www.etsy.com/shop/silicatestudio #reclaimedwoodfurniture
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.