check scale model clubs. they usually have links to places that make them.
Be sure to get something that breathes. The acrylic housing may be moisture resistant but the (usually) wood base is not and is susceptitle to warping or distortion. Moisture buildup inside due to varying temps can create problems. Also, some die cast stuff is high
zinc content and will deteriorate into a pile of black oxidized residue in time. Ask someone who knows about corrosion/electrolysis and oxidation about how to avoid that.