Shadow boxes at least 13 to 14 (Brooklyn)

I'm looking for shadow boxes 13 to 14 in tall maybe 12 in wide maybe about 7 in deep or 5 in deep I'm trying to make shadow boxes of miniatures for the people at my church I'm trying to teach them so I was wondering if anybody has any shadow boxes you could take the inside out I don't care I just need the shadow box and the glass that'll be perfect so if anybody has any please can you put a massage it's for a project at my church I know I asked a lot of stuff but it's hard for me to get all the stuff now for the money wise