CNN CNN Newsroom Live September 5, 2015 09:56:00
>> reporter: meaning? >> you name it. >> reporter: others have built similar devices but this one is pretty unique. with help from dad, it was unlocking the mystery in no time. >> it took two minutes and 23.4 seconds. >> reporter: it's kind of fragile. >> see this? that's an ultrasonic sensor. when it's plugged into the wrong port, disaster can happen. >> reporter: as for the old-fashioned way to solve it -- >> i haven't tried to solve one yet. >> i used to think that making lego cities, space cities as way big deal. we're talking about a robot. that's out of my league. we thank our affiliate ...
Source: archive.org