'Que hay/está en la caja ? '= 'What is there/is in the box?'
(accent on first 'e')
'Caja' means box in Spanish.
Caja
The word for "jewelery box" in Spanish is joyero. (See www.education.yahoo.com>Spanish dictionary>(Type in joyero-->jewelery box)
"Caja" means box (that you put stuff in).
la caja
pollo caja
le gusta boxear
you can just say box or boxeo
Mi caja de joyería.
Radio casssete, or in "street vocabulary" "caseto"
he dejado una caja de vehículos
x-box 360, because licenced product/brand names are the same in any language