I don't really think the kris was made for a boy, just offering a possibility. 
 
The comment was basically about the size. Depends on whether you consider this essentially a Moro piece -- that would usually be larger, or Peninsular, that would normally be this size or even smaller.  
 
I think that some of the diminutive Moro weapons were made smaller for youths.  
 
FI here is a barong with an 11" blade (28cm). Probably made for a youth. Late 1800s, Sulu.
		 
		
		
		
			
		
		
		
		
		
		
		
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