Juvenilia (noun)

1. The early works or productions of an artist or writer, especially those produced before maturity or before achieving fame or success.
2. The works or productions of a young person.

Origin:

Derived from the latin word "juvenilis" meaning belonging to youth.

Examples:

1. The collection of juvenilia by the author was quite impressive.
2. His juvenilia showed a lot of promise for his future as a writer.
3. The juvenilia was a fascinating look into the mind of the artist as a young person.
4. She was embarrassed to have her juvenilia published for all to see.
5. His juvenilia was not as polished as his later work, but it was still interesting to read.