What is donatello's sculpture david made of?

Donatello's sculpture of David is made of bronze. This iconic work, created in the early 15th century, is notable for being one of the first large-scale nude sculptures since antiquity. It captures the biblical figure of David in a relaxed pose, showcasing Donatello's mastery of form and detail. The use of bronze allows for intricate textures and a sense of realism in the representation.