Seesaw

[fglorca]

I know that "el balancín" means see saw.
Can we also use "el sube y baja" as a mascline noun?

Many thanks.

[AngelicaDeAlquezar]

Yes, "el sube y baja", "los sube y bajas"... or, as the Academia prefers, "subeibaja(s)"/"subibaja(s)". (I don't like the last one.) ;)

[fglorca]

Thanks so much.