All in all, the Turtle Shell Racers are a pretty great experience -- one certainly recommended for anyone with a 3D printer lying around.

ENGADGET: MakerBot's Turtle Shell Racers cruise around our offices (video)

"It was pretty nifty that (doctors) were able to make something for Kaiba on a printer like that, " April Gionfriddo said.

CNN: 3-D printer helps save dying baby