If they are all in the same 10 gallon - you may need to think about moving them each to a separate smaller containers - babies don't usually get stressed having others with them - but it may be worth a shot if they aren't eating.
Your food items - all mice? you may want to try rats - I had one of my hatchlings wouldnt eat for several weeks after the others started - she would only eat live rat pups (I didn't have any at the time and was only trying to feed her mice). Try different colors, different sizes - feed them at night. Have you tried the ole "leave them in a paper bag trick"?
If they were born with a good weight and are maintaining it fairly well - then you have some time to work with them. Be sure you've got good temps and humidity. Keep an eye on them make sure they don't get dehydrated or lethargic. If they get to two months without eating then you may want to start thinking about assist feeding.
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Tosha 
"Nihil facimus sed id bene facimus"
7.33.0 Ball Python (Harry and Fluffy and gang)
1.0.0 Angolan Python (Anakin Skywalker)
0.0.1 Green Tree Python (Verdi - yeah I know but my kids love the book)
0.2.0 Feline (Pippen and Pandora)
0.0.1 Desert Tortoise (Pope John Paul aka JP )
2.2.1 Fish (1,2,3,4)
0.0.2 frogs rescued from pool skimmer