I remember this project.
The software side is still going strong it looks like.
https://www.sugarlabs.org/
Runs on almost any hardware, including the OLPC, Raspberry Pi, Macs, PCs netbooks.
What other company provides a full free operating system designed for children and learning?
I don't see microsoft or apple or amazon or google with anything close to this.
You can search "Kids tablet" or "kids laptop" but its just an under-powered android tablet with nothing special and hardly worth the $50 they are asking.