Carson and his Crib

This morning I went up to get the babies and Carson was trying to pull himself up in his crib. I found him on his knees holding onto the crib rails!! He is trying to pull himself up on everything, window sills, the entertainment center etc... Hopefully I can capture pictures of him doing it, however it is pretty hard I can't really leave the room for fear that he will actually pull himself up and lose balance and fall over and possibly crack his head open.