The arm (the robot arm, not the processor) itself is well done, made from Lego Technic parts and common RC servos. Not that this is the most amazing thing we’ve ever seen built from Technic ...

A team of Hilo keiki will pit their Lego ... robots showcased by other teams. Many other robots are much smaller than the Lava Bots’, which features tools like a “scorpion tail” pivoting arm ...