Diamond Baby Shoe Charms, and Baby Shoe Pendant. Jewelry, ornaments of precious metal, sometimes set with gems, worn since ancient times by people of all cultures for personal adornment, as badges of social or official rank, and as emblems of religious, social, or political affiliation, can signify motherhood. They are the women who have loved us all our lives. These amazing women know about development, too, like the following facts. Motor development proceeds more rapidly than actual physical growth by the beginning of the second year. The fingers and toes have well-developed nails. The bones, which are relatively soft at birth, begin to harden, and the fontanelles, the soft parts of the newborn skull, begin to calcify, the small one at the back of the head at about 3 months, the larger one in front at varying ages up to 18 months.