All three gizmos are characters in Mindstorms ... downloadable apps and voice commands. Like any other Lego, Mindstorms EV3 is a jumble of parts (nearly 600 separate elements) that can be plugged ...

The phrase “Lego ... eschews all that, thankfully, and is instead a digital synth that only emulates a guitar in its rough form factor. The heart of the build is a Lego Mindstorms EV3 controller.