Nikolai Ubushaev, About Kalmyk Riddles

Nikolai says that in his childhood his brother and he told one another riddles every evening before bedtime. Two riddles:One step and it is there. Another step and it is here. What is it? (answer: a flea).Four friends are together, but they have two sons between them. Their driver is a wrinkled old woman. What is it? (answer: the Bactrian camel with two humps and wrinkled face).