# How to buy or sell a Blobble * [**What is the Blobble Marketplace**](#what-is-the-blobble-marketplace) * [**How to put your Blobble up for sale**](#how-to-put-your-blobble-up-for-sale) * [**How to purchase a Blobble from the Blobble marketplace**](#how-to-put-your-blobble-up-for-sale) * [**Blobble Marketplace royalties**](#blobble-marketplace-royalties) ### What is the Blobble Marketplace? The Blobble Marketplace is an area in the Blobble world, where owners can sell and buy pre-existing Blobble. ### How to put your Blobble up for sale Visit the Blobble Marketplace and you'll be presented with an overview of your Blobbles. Click the Put Up For Sale button and set a bnUSD price for your Blobble. By clicking on the Put On Market button, a simple marketplace transaction is mined. Your Blobble is now for sale! ### How to purchase a Blobble from the Blobble marketplace Visit the Blobble Marketplace and you'll be presented with an overview of Blobbles that are for sale. Their respective prices have been listed in bnUSD by their owner. Click the purchase button on a Blobble, if you wish to purchase it. A simple marketplace transaction is mined and the Blobble is now yours. Don't forget that old and healthy Blobbles earn more BST for their owner! ### Blobble Marketplace Royalties 10% of each Blobble purchase goes through BST mint mechanism and straight to the [Blobble treasury](/game-play/blobble-treasury.md), benefitting all Blobble and BST holders. The remaining 90% goes to the seller. {% embed url="" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://university.blobble.xyz/game-play/how-to-buy-or-sell-a-blobble.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.