When it comes to powering a toy crane machine, the answer depends on the model's size and intended use. Most small, home-use toy crane machines are designed for portability and convenience, so they typically operate on batteries. Standard AA or C batteries are common, allowing children to play with the crane anywhere without being tethered to an outlet. On the other hand, larger, more robust toy cranes or commercial-style arcade claw machines you might see in game centers are almost always plug-in models. These require a standard electrical outlet to provide the consistent and stronger power needed for brighter lights, more sound effects, and the reliable operation of the heavier claw mechanism over extended periods. Some mid-range toy models even offer dual power options, giving you the flexibility to use batteries for on-the-go fun or a USB/adapter plug for continuous play without worrying about battery drain. Always check the manufacturer's instructions for your specific toy crane to ensure you use the correct power source for safe and optimal operation.