H1B is applicable for Drop box what about H4 dependent- spouse and kid as they are doing H4 for the first time

I am on H1-B and eligible for Drop box program. However, I have a query is for my wife and chlidren- both of them are in India and don’t have H4. When we go for stamping this time together, will my wife and children will be eligible for drop box?

First time applicants may not be eligible for dropbox