Nor is it correct English. The possessive form of a name is spelled with 's, even when the name ends with an s. The only exception is when the possessive form is not pronounced with an extra s, hence Socrates' philosophy.
The box should be labelled THOMAS'S MAIL DELIVERY. So 0 out of 10 for effort on all counts, Fisher-Price.
The box should be labelled THOMAS'S MAIL DELIVERY. So 0 out of 10 for effort on all counts, Fisher-Price.