> For the complete documentation index, see [llms.txt](https://docs.nextype.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nextype.finance/about-nxetype/previous-events/nov-2021/details-of-the-first-round-sale-of-mystery-box-on-heco/how-to-buy-mystery-box-or-sell-mystery-boxs-nft-on-nft-master.md).

# How to buy Mystery Box or sell Mystery Box's NFT on NFT Master?

### How to buy Mystery Box in NFT MASTER ?

1.Open this link: <https://nftmaster.nextype.finance> to enter NFT Master.

Click the button on the right side and select **\[Mystery Box]**.

![](/files/r0PRobY5X83EEVF4qibe)

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2.Click the **\[Pay to draw]** to buy Mystery Box

![](/files/ASh5mVvOLFaMxHq4K9p3)

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3.Click the **\[STORAGE]** to check the NFTs which you won.

![](/files/FJ9ukKPRmVh1DHLx1g3U)

### How to sell My NFTs which you win from Mystery Box in NFT Master?

1.Open this link: <https://nftmaster.nextype.finance> to enter NFT Master.

Click the button on the right side and select **\[STORAGE]**.

![](/files/wIEms6EJx9R9tGEh6UbF)

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2.Select the NFT you want to sell in **\[My NFTs]** and click **\[Sale].**

![](/files/mP88Qxuj8TecF2AaKfmt)

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3.Set the selling price and click **\[Confirm].**

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4.You can view the NFTs you are selling by checking **\[NFTs on Sale].**

![](/files/IOBpnhB1pc7MFqqhoSTQ)

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5.Click **\[Remove]** and the sale will be canceled.

![](/files/IGVFjKGtrHa4aB42TySh)