Before chewing gum, which other products did the Wrigley Company focus on?

In 1891, 29-year-old William Wrigley Jr. (1861–1932) came to Chicago from Philadelphia with $32 and the idea to start a business selling Wrigley's Scouring Soap. Wrigley offered premiums as an incentive to buy his soap, such as baking powder. Later in his career, he switched to the baking powder business, in which he began offering two packages of chewing gum for each purchase of a can of baking powder. The popular premium, chewing gum, began to seem more promising, prompting another switch in product focus. Wrigley also became the majority owner of the Chicago Cubs in 1921.