A new robot snake kit has been created by Nevon Project which is powered using the Arduino Mega microcontroller and is equipped with 12 servos for locomotion and to control its 12 segments. The ...

The kit includes an Arduino Mega, a RAMPS 1.4 board, stepper motors, and other essential parts. By following the tutorial, you can assemble the robot and program it to perform various tasks.

Apparently, so does [salmec] who developed the Mowerino around an Arduino Mega 2560 board. As you might expect, the robot uses sharp blades so, you probably want to be careful.