
To replace the batteries in your Duncan 3572XP Light-Up Yo-Yo, follow these steps: First, unscrew the yo-yo. Hold the two halves of the yo-yo firmly and twist them counterclockwise to separate them and access the battery compartment. Next, remove the old batteries. Carefully take the old batteries out of the compartment. Then, insert the new batteries, making sure they are oriented with the correct polarity (+/-), as indicated within the compartment. After inserting the new batteries, close the yo-yo by aligning the halves and twisting them clockwise until they are securely fastened. Finally, test the LED lights by spinning the yo-yo to verify that the lights are working correctly. The lights should illuminate and display the intended patterns and colors. Please note: The information provided does not specify the exact battery type and size needed for the Duncan 3572XP LED Light-Up Yo-Yo. For specific battery specifications and replacement recommendations, please consult your yo-yo's user manual or contact Duncan directly.


