Start by opening an image of a child (or any face really).



Create selection of the kid using polygon lasso tool. Press Ctrl+J to copy paste the selection in a new layer.



Select the copied layer. Now create selection of the face using polygon lasso tool. Press Ctrl+Shift+J to cut paste the selection in a new layer.



Select the background layer and fill it with a solid color. Select the face layer. Press Ctrl+T. Right Click and select Warp. Adjust the nodes as shown.



From filter menu select liquefy. Select bloat tool and click above the eye portion to make the eyes pop out.





Press Ctrl+U to open hue/saturation window. Apply settings as shown.