Quote Originally Posted by Lucas339 View Post
well if you use legos i think a soak in some bleach water (10% by volume) would be okay for sterilizing. they aren't water tight when put together so the bleach water would get all in it. just make sure to rinse really well.....i would do another soak in regular water
Standard Clorox is only 6.15 percent NaClO by volume. 5% by volume for thirty minues is recomended for killing bacteria.

Once you get the hide built you could use superglue to seal it, and let it dry for several days so you do not have to worry about off gasing.