Meccano vs Meccano set

Meccano and Meccano set both are nouns.

Word	Noun	Adjective	Verb	Adverb
Meccano	Yes	No	No	No
Meccano set	Yes	No	No	No

As nouns, Meccano and Meccano set are synonyms defined as:

Meccano and Meccano set: a child's construction set for making mechanical models

Meccano (noun)	Meccano set (noun)
a child's construction set for making mechanical models	a child's construction set for making mechanical models