Trade events sometimes leak news of a game prior to the title's official announcement. That appears to be the case with LittleBigPlanet Karting, a kart racer-based spin-off of the LittleBigPlanet series. We don't know if this new Playstation 3 racer will support co-op yet, but more LittleBigPlanet is always a good thing... Especially if it's anything like Crash Team Racing.
The full-sized standee photographed during Sony's Destination Playstation retailer event:
We'll be sure to let you know when Sony announces official multiplayer details. LittleBigPlanet 1 and 2 from MediaMolecule both supported 4 player co-op, but this entry changes genres and likely comes from a different developer, so anything is possible.