Congratulations. That's great news. Are you gonna keep them all? When I bred a batch I handled them daily and they were so tame. Thinking about setting my trio up and see how it goes. They are from the store, so pretty flighty. I sure miss having tame ones.
What are you feeding them? Maybe try enhancing their diet a bit and give them time. There are commercial supplements, or you can try adding some things recommended here,
https://mypetparakeet.com/parakeet-breeding-food-what-should-you-feed-parakeets-during-mating-season/
When I used to breed budgies I had to sprout seeds daily to help bring them into breeding condition. There's also food you can give them to help. Regular keet diets don't have what they need usually so they can produce eggs. I'd pick up a book on breeding budgies. It can help with all the tips...