Young children can learn and practice counting by counting items as they go into the shopping cart. Simple and quick, and an invaluable authentic counting practice.
It’s the authentic experience in reading, writing, and math (really in all academic disciplines) that truly make a difference in what a child will not only learn, but internalize and use. Exposure in isolation does not have the same impact as the authentic experience. Drilling for hours doesn’t come close to the impact of the quick but authentic hit.