<prompt> Translate the following text to EnglishKuna makumbusho ya aina mbalimbali, kuanzia ukumbi wa maonyesho ya karne ya 15 hadi ukumbi wa maonyesho ya karne ya 20.  <response>: About 12,000 are on display here, from 15th-century polychrome designs to 20th-century art deco styles. 