Amigurumi is the Japanese art of knitting small stuffed animals and anthropomorphic forms (ascribing human form or attributes to a being or thing not human, especially to a deity - Source: Dictionary). The animal pictures on Wikipedia are very cute, kids will love them.
Thanks for asking this question; when something new comes up, it is very exciting to get to know about it and then share it with the other hubbers.
Amigurumi is great fun and very popular. Amigurumi figures make lovely gifts and there are many free patterns for them on the internet. Looking at some of the free patterns may give you a better idea of what they are and what they can be