If your Leapster does not respond to the stylus pen, it needs to be calibrated.

The following are instructions for calibrating the Leapster™ handheld.

(1) Insert a cartridge, turn the unit on and wait for the sign-in screen to appear.

(2) Hold down the Home, Hint and B buttons simultaneously.

(3) When the screen changes, press the A button.

(4) Using the Stylus, touch the center of the targets.