Every so often, some new, gimmicky piece of tech that’s guaranteed to be the toy of the year comes out, makes a splash, then quickly becomes another dusty device you have to find a way to dispose of. I try to keep this top of mind when investing in a new gadget for my own kiddo, but fortunately, this fear was unfounded with the Nex Playground. After a year and a half of owning the charming, cube-shaped console, I can…