The biggest female, Kasper, who is an albino, is 108g, which according to the chart puts her between 6-8 weeks. We'll just say she's 6 weeks. The youngest girl is a little black with white paws, Nibble, and she weighs in at 27g so she's about 3 weeks old. The littlest is the boy. He's super sweet and his name is Monk. He is in at 25g so also about 3 weeks.