Cloud cuckoo land
From Liberpedia
“ Today, the disastrous consequences of enforcing the utopia on the unfortunate populations of the communist states are clear even to their leaders. As Ludwig von Mises predicted, despite the “cloud cuckoo lands of their fancy,” roasted pigeons failed to fly into the mouths of the comrades. And even according to official Soviet statistics, 234 of 277 basic consumer goods included by the USSR State Committee on Statistics in the “market basket” of the Soviet people are “missing” from the state distribution system.