The thefts happened around 1:20 p.m. July 22 at Walmart, 351 S. Washburn St. Police say the shoplifter may have been cut while taking the items out of their packages.
Investigators did not specify what was stolen.
The shoplifter had dark hair and was wearing a white t-shirt, police said. He left in a pickup truck that was maroon with tan trim.
Anyone with information is asked to call Oshkosh police at (920) 236-5700. Anonymous tips can also be left with Winnebago County Wide Crime Stoppers by phone at (920) 231-8477, by text message with the keyword IGOTYA to 274637 or online.