If your toys are sold in the United States, they need to comply with the regulations of the Federal Communications Commission (FCC). According to these regulations, your toys need to meet the radio frequency exposure standards and comply with the relevant labeling and instructions requirements. The FCC label is usually displayed on the product to indicate that the product meets the radio frequency exposure standards.

Therefore, if your toys are sold in the United States, it is recommended that you consult relevant legal experts or certification agencies to determine whether your product needs to be labeled with FCC and understand how to comply with relevant regulations.