To insert a Form Control option button, click "Option Button" from the list of Form Controls. The names of the buttons appear when you hover the mouse over them.

To do so, click the Microsoft Office Button, click the "Excel Options" button and click "Popular." ... There are two types of form objects in Excel: Form Control objects and ActiveX Control objects.

The spin button is just one of the many form controls you can use in Excel. For example, you can add a drop-down control, a radio button, a scroll bar, and many other controls.