Like Father Like Son

When I perform repair on electronics or other devices, I typically sketch out a diagram and tape the screws and other pieces onto the drawing, so that I know how to put things back together. You can see my sketched diagram in this photo, which was taken during my fourth repair of our Nintendo DS Lite:

The other day, my son was taking apart a toy phone to fix it. My wife found the following:

It made my heart so happy.