Text: The drinking age in Wisconsin is 21. Those under the legal drinking age may be served, possess, or consume alcohol if they are with a parent, legal guardian, or spouse who is of legal drinking age. Those age 18-20 may also be served, possess or consumer alcohol if they are with a parent, legal guardian, or spouse who is of legal drinking age. Those age 18 to 20 may also possess (but not consume) alcohol as part of their employment.

Question: can a parent buy alcohol for their child in wisconsin?
yes