This may be around 1/2 of their full adult size, probably 4-5" for those guys.
1	This	this	PRON	DT	Number=Sing|PronType=Dem	7	nsubj	7:nsubj	_
2	may	may	AUX	MD	VerbForm=Fin	7	aux	7:aux	_
3	be	be	AUX	VB	VerbForm=Inf	7	cop	7:cop	_
4	around	around	ADV	RB	_	7	advmod	7:advmod	_
5	1	1	NUM	CD	NumForm=Digit|NumType=Card	7	compound	7:compound	SpaceAfter=No
6	/	/	PUNCT	HYPH	_	7	punct	7:punct	SpaceAfter=No
7	2	2	NUM	CD	NumForm=Digit|NumType=Card	0	root	0:root	_
8	of	of	ADP	IN	_	12	case	12:case	_
9	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	12:nmod:poss	_
10	full	full	ADJ	JJ	Degree=Pos	12	amod	12:amod	_
11	adult	adult	NOUN	NN	Number=Sing	12	compound	12:compound	_
12	size	size	NOUN	NN	Number=Sing	7	nmod	7:nmod:of	SpaceAfter=No
13	,	,	PUNCT	,	_	7	punct	7:punct	_
14	probably	probably	ADV	RB	_	18	advmod	18:advmod	_
15	4	4	NUM	CD	NumForm=Digit|NumType=Card	18	nummod	18:nummod	SpaceAfter=No
16	-	-	SYM	SYM	_	17	case	17:case	SpaceAfter=No
17	5	5	NUM	CD	NumForm=Digit|NumType=Card	15	nmod	15:nmod	SpaceAfter=No
18	"	"	NOUN	NNS	Number=Plur	7	appos	7:appos	_
19	for	for	ADP	IN	_	21	case	21:case	_
20	those	that	DET	DT	Number=Plur|PronType=Dem	21	det	21:det	_
21	guys	guy	NOUN	NNS	Number=Plur	18	nmod	18:nmod:for	SpaceAfter=No
22	.	.	PUNCT	.	_	7	punct	7:punct	_
