Summary: The Incas had many weapons some of which include spears, swords, clubs, battle axes and bolas. The spears were wooden stick with either bronze or bone-tipped. The swords were wooden but had sharp serrated edges. The clubs were made of stone and had spiked metal heads. The battle Axes had a wooden handle with a stone or copper head. Bolas are stones connected to lens of cord/string.
Primary Source: This is a picture of a star shaped copper alloy club.
Secondary Source: This is a picture of a few different kinds of blades that the Inca used.
Citation: http://www.gutenberg.org/files/2873/2873-h/pre.html
Site Used For Document #2: http://www.incas.info/view/weapons-armor-and-warfare.html