> For the complete documentation index, see [llms.txt](https://box-best.gitbook.io/best-mystery-box/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://box-best.gitbook.io/best-mystery-box/english/for-players/advanced/prop-card.md).
# Prop card
[In order to adapt to the diversity of user groups, different props are set up in the game for players to choose and use.](/best-mystery-box/english/game-play/the-best-mystery-box/detailed-mechanism/prop-card.md)
Snap coupons
* **Snap coupons**
The blind box obtained by the player needs to wait for 24 hours to be resold, and the resale card can be directly resold to obtain 2U income without waiting.
* **Resale card**
Using the resale card to resell will double the profit of the lucky blind box resale.Players can get resale cards by inviting friends.
* **Forge card**
Blind box obtained by players can be improved by placement, and the placement time can be shortened by using forging cards.
* **Protection card**
When the player fails to synthesize fragments or NFTs, 1-2 synthetic materials will be randomly lost, and the use of protection cards will avoid this loss.
* **Diamond card**
Players have a chance of failure when synthesizing fragments or NFTs. Use diamond cards to increase the success rate of synthesis.
* **Skip card**
When players use skip cards when synthesizing shards or NFTs, there will be a chance to upgrade to 2 levels in a row.
* **Lucky card**
Players can use the lucky card to resell the ultimate blind box, which can increase the income by more than 2 times.
