” I highly doubt that a govt beaurocracy could possilby fan out to every garage and yard sale in America searching for “unapproved” toys. “
They will have plenty of help — every neighborhood has an abundance of nosy do-gooders that are just drooling at the prospect of denouncing their evil neighbors....
The concept is called, in modern parlance, ‘force multipliers’, and was an essential element in the omnipresence of the Gestapo and the KGB...
Then, introduce your nosy neighbors to the joys of denunciation and social ostracism. Nobody likes a snitch.