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.
Learning basic sewing with a polystyrene plate, yarn, + plastic needle. I remember doing this with craft mesh when I was a kid and then graduating to sewing buttons by hand onto little pillows and pockets.
Encourages visual memory, copying, direction planning and movement. Can grade the activity by only having the colors needed or having the child pick the colors out of a bin of numerous legos of different, shapes, sizes and colors.