A fidget device is configured to direct a user to engage in a stress-release activity and direct nervous energy in a manner to not created distraction and noise. The technology provides a fidget device having a movable, manipulable object disposed within a sleeve that a user can move back-and-forth and otherwise manipulate through movement within the sleeve. In at least one embodiment, the fidget device is a pen having a marble or ball within the sleeve that is manipulable by the user holding the pen as a fidget device.