Isaac shows off his new move.
And, Isaac can officially shed the nickname, "Kickstand," now that he's sitting up by himself instead of always leaning on one hand.
Doing the "kickstand."
While his brothers were busy standing, Isaac was very busy cutting teeth. He has four now -- two on top and two on the bottom, while his brothers are well behind, and just now cutting a top tooth each.
Isaac shows off his chompers.
These boys just keep zooming right along! I predict they'll all be walking before the end of summer!