Kodomo Challenge Cassette Tape - Sample Product - Junk Item

This is a sample cassette tape from Kodomo Challenge.

It is unopened, so its operation has not been confirmed, and it is being sold as junk.
There is age-related deterioration, scratches, and dirt.
Price negotiation is not possible.
As this is a long-term, amateur storage and inspection, please refrain from purchasing if you are looking for a beautiful item.