If a teen around 13 years old counts as a kid:
Cows. Despite having had actual Sex Ed in school I believed that cows somehow were an exception to the rule that only pregnant/nursing females from a mammalian species produced milk. I thought they just produced it constantly.
It took a late night documentary about farming to correct me about it.
Cows. Despite having had actual Sex Ed in school I believed that cows somehow were an exception to the rule that only pregnant/nursing females from a mammalian species produced milk. I thought they just produced it constantly.
It took a late night documentary about farming to correct me about it.