You must enable the display of manipulators in the Player view or in the fullscreen Player to see manipulators related to individual tools. Manipulators for individual tools include the eyedropper for the Color Picker, axes in the Reaction tool, and control points in the Garbage Mask tool.
You can enable the display of manipulators in the fullscreen Player only if you entered it through a Player view.
To display manipulators in the Player: