You can rent one today for $500 a month here:

https://finalspark.com/neuroplatform/

Here is the wiki on the organoids themselves:

https://en.wikipedia.org/wiki/Cerebral_organoid

Here is a 2021 med journal publication on potential uses:

https://jbiomedsci.biomedcentral.com/articles/10.1186/s12929-021-00728-4

Here is a nature article on their use in AI:

https://www.nature.com/articles/s41928-023-01069-w

And finally a Bloomberg video report:

https://youtu.be/txtDpCLHUkU

One of my favorite details is that they sometimes grow little eyes. 👀 🧠

Pleasant dreams!