An item in a kit is often referred to as a TOOL. A TOOL is an object used to perform a task, such as a hammer for pounding nails or a screwdriver for tightening screws. Tools can be simple, like a spoon, or complex, like a power drill. They are usually made of metal, wood, or plastic and come in many shapes and sizes. Tools are essential for completing a variety of tasks, from building furniture to fixing a car.