When a coin becomes jammed in a toy crane machine, it typically indicates an issue with the coin mechanism or improper coin insertion. First, immediately stop using the machine to prevent further damage. Check if the machine has a manual coin return lever - often located near the coin slot. Gently pressing this might dislodge the stuck coin.

For persistent jams, you'll need to access the internal coin mechanism. Always unplug the machine before attempting any repair. Open the service panel and locate the coin pathway. Look for visible obstructions or bent components. Using thin, non-metallic tools like plastic tweezers, carefully attempt to remove the jammed coin. Avoid using excessive force that could damage sensitive electrical components.

Common causes include worn coin acceptors, damaged guide rails, or foreign objects in the mechanism. Regular maintenance and using only appropriate-sized coins can prevent most jamming issues. If the problem recurs frequently, consider replacing the coin mechanism entirely or consulting a professional arcade technician. Many modern crane machines feature error codes that can help diagnose specific mechanical problems when coins fail to register properly.