Meccano set vs Meccano

Meccano set and Meccano both are nouns.

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

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

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

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