> For the complete documentation index, see [llms.txt](https://docs.itheum.io/product-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.itheum.io/product-docs/protocol/hackathons-and-dev-challenges/multiversx-xday-hackathon/test-data-nft-catalog.md).

# Test Data NFT Catalog

## Introduction

The following are some test data NFTs we have published for developers who would like to build use cases around PDF, JSON, nested streams etc.

* Check out some ideas on what you can build \[[here](/product-docs/protocol/hackathons-and-dev-challenges/multiversx-xday-hackathon/project-ideas-greater-than-itheum.md)]
* Check out guides on the SDK \[[here](/product-docs/pre-aithra/pre-aithra-developers/software-development-kits-sdks/data-nft-sdk.md)]

### 1. Data NFTs - Normal

#### Book Series

* These are Data NFTs that contain a PDF file.
* Use case suggested - create simple PDF viewer to visualize the content of the Data NFT.

[Data NFT 1](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-31/offer-76)

[Data NFT 2](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-32/offer-77)

[Data NFT 3](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-33/offer-75)

#### Audio Series

* These are Data NFTs that contain an audio/MP3 file.
* Use case suggested - Create simple music player to stream the song via the Data NFT.

[Data NFT 1](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-2e/offer-78)

[Data NFT 2](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-2f/offer-79)

[Data NFT 3](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-30/offer-80)

#### Video Series

* These are Data NFTs that contain a video/MP4 file.
* Use case suggested - create a simple video interface to render the video stream.

[Data NFT 1](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-34/offer-81)

[Data NFT 2](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-35/offer-82)

[Data NFT 3](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-36/offer-83)

### 2. Data NFTs - Nested Streams 

**Book Series - (Nested Streams)**

* This data NFT contains a nested stream of 3 books in PDF format.
* Suggested use case - Create a bookshelf showcasing 3 books and the ability to read the 3 books.

[Book series data NFT <br>](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-07/offer-5)

**Music Series - (Nested Streams)**

* This data NFT contains a nested stream of 3 audio files in MP3 format.
* Suggested use case - Music Playlist.

[Music Series data NFT](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-02/offer-2)

**Video Series - (Nested Streams)**

* This data NFT contains a nested stream of 3 videos in MP4 format.
* Suggested use case - Video Playlist.

[Video Series data NFT](https://test.datadex.itheum.io/datanfts/marketplace/DATANFTFT-e0b917-08/offer-6)

### 3. How do you obtain a data NFT?

For details on how to obtain a data NFT, visit [Buying a data NFT](/product-docs/pre-aithra/pre-aithra-apps/data-nft-marketplace/procuring-a-data-nft.md)