A foldable tool kit including a case having two sideboards and several tools side by side arranged between the two sideboards. Each of the tools has a rod body, a pivoted end formed with a pivot hole and an operation end for driving a threaded member. The tools are pivotally disposed at least one end of the case via a pivot shaft. The foldable tool kit is flattened and lightweight and has beautified appearance. The volume of the foldable tool kit is minimized so that it is easy to carry and store the foldable tool kit.