In order to purchase life insurance on another person, you need an "Insurable Interest" in the person you wish to insure.
There does exist an "Insurable Interest" between parents and their adult children.
Globe Life offers up to $100,000 of affordable life insurance coverage with no medical exam required, just a few simple health questions.
You can request a free life insurance quote online for your adult children and find out how much it would cost to insure each of your kids.