As adults, your children could use some of that money to help pay some of their college tuition, fund a wedding or even as part of a down payment on a house. (massmutual.com)
Don't worry: you'll get it back if you don't get the house, and if you do get the house, that amount becomes part of your down payment. (homeownership.ca)
The VERY traditional lender I used for my first investment property was OK with using a 401k loan for part of the down payment. (biggerpockets.com)