A balloon at a children's party is 'un ballon'.
A hot-air balloon is 'une Montgolfiere'.
A balloon is 'un ballon' (masc.) in French.
Ballon means either 'balloon' (a hot-air balloon) or 'ball' (at least the size of the handball one).
Un ballon (masuline noun)
If you're asking what balloon is in French it's 'ballon'.
"Ballon" refers to the quality of a jump. Derived from the French word for "balloon", the term was meant to reflect the intended weightless appearance of a skilled ballerina's jump.
It means "my son a green balloon". You possibly missed out the word for "wants". "My son wants a green balloon" would be mon fils veut un ballon vert.
balloon
un ballon à air chaud is a hot air balloon in French.
ballon
the ball
Balloon
The noun 'balloon' is a singular, common, concrete noun; a word for a thing. The word 'red' is an adjective describing the noun balloon.