The Protein Bottle Rattle is an uncommon toy that can be obtained by opening Gifts. It was previously available through opening Small, Big, and Massive Gifts for. To interact with this toy, the player can click/press their screen to shake it. This rattle is only used for leisure. Other than that, it does not serve any specific purpose.
As of the 2021 Gift Refresh update, the Gifts were replaced with another set of items. It can now only be obtained through trading.
Appearance
The Protein Bottle Rattle holds a brown colored liquid inside of a clear container with a blue lid, which the players hold.