Yes, you can lock a toy crane machine to prevent children from playing without permission. This is a common safety and parental control feature for home units and is sometimes available in commercial settings upon request. For home claw machines, the most direct method is using a physical key. Most models have a main power switch or lock located on the side or back of the cabinet. By turning the key to the "off" position, you completely disable the machine's power, making it inoperable. Some advanced models may offer digital PIN codes or parental control settings within their software menu, allowing you to lock the gameplay functions without cutting full power.

In commercial arcades, the process is different. You typically cannot lock a single public machine yourself. However, you can speak to the arcade manager or owner. They often have a master key or can disconnect the power plug for that specific unit if you have a legitimate concern, such as during a private event or for maintenance. The primary goal of locking a crane machine is to manage playtime, prevent unsupervised use, control spending on commercial models, and ensure safety by keeping younger children from accessing the machine when an adult is not present to supervise. Always refer to your machine's user manual for the specific locking instructions recommended by the manufacturer.