Roblox launched an open-source AI model that early last year and now that toolset is getting a massive boost. The platform has introduced a model that . I put 4D in quotes because it doesn’t actually allow access to the fourth dimension, but rather lets users make interactive 3D objects via prompts.

As suggested, these aren’t static 3D models. They are fully functional and interactive objects that move and react to players. The beta toolset can’t be used to make anything, as it’s rather limited for now. There are just two templates for users to choose from. Folks can make cars and solid 3D objects, like a box or a sculpture.

The cars are fully driveable, however, and are made from five separate parts. The parts work independently of one another, allowing for spinning wheels and opening doors. The company says the physics should be accurate, so prepare for a whole lot of user-generated racing games.

There’s already a game on the platform that uses the 4D tools . It lets players generate cars, planes and all kinds of other stuff.

As for those limited templates, Roblox says it plans to eventually let creators make their own but didn’t release a timetable for this. It also says it is developing technology that will generate 3D models based on a reference image.

Today’s open beta comes after Roblox found itself at the center of . This led the company to implement to access chat, which has reportedly . Some countries have actually in an effort to protect children.