Target will typically refund or exchange any unopened purchases returned within 90 days.

But occasionally, customers shock employees with particularly large or gross returns.

Business Insider spoke with 36 Target employees about the strangest returns they've encountered.

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Target's no different from its major rivals when it comes to attracting retail fraud and serial returners.

The company's return policy allows customers to bring back unopened products that are still "in new condition and returned within 90 days" for a refund or an exchange. There are exceptions to the rule, and the retailer reserves the right to deny a return that is damaged or lacking a receipt.

Read more: The wildest returns people have tried to make at Costco, according to employees

That policy doesn't prevent some shoppers from trying to skirt the rules. As a result, some Target employees witness rather odd things coming through the returns desk. A Target team member based in California even told Business Insider that they admired their colleagues working in returns, describing it as "a very tough position."

Here are a few of the more memorable items that Target employees say shoppers have tried to return: