How Japan Built Cities Where You Could Send Your Toddler on an ErrandThe premise of Old Enough!, a Japanese reality show newly streaming on Netflix, is childishly simple. In each 10-minute episode, a tiny kid sets off to complete the child’s first errand alone. (Well, “alone,” with the cameramen.) The children totter off into the neighborhood, forget what they’re supposed to be doing, burst into tears, and ultimately make their way back to Mom and Dad laden with pl
