The Soviet Union had free daycare, so that all workers could work.
While they were at it, it was yet another propagandization time, taking advantage of the fact that kids talk a lot.
"Anything odd happening at home? Anyone? Any of your parents unhappy with communism? If so, let us know... we'll make things better for you. Extra cookies!"
"Now... who knows the greatest system of government? Pavel? Yes, correct, socialism! If it wasn't for socialism, you'd be spending your days in the gutter looking for pennies. Instead, you are indoors learning glorious socialist principals, such as voting liberal and trading your country for free health care."