It was probably a bad idea for Dr Mad to put the laser on there. Even humans see life-like properties in basic stimuli. And movements that change speed and direction are very attention grabbing.
↓ Transcript
Panel 1.
Dr Mad: This new invention of mine will bring a new era to mouse hunting technology.
Panel 2.
It features GPS... ...motion sensing... ...and a laser guidance system!
Panel 3.
FX: CLICK BEEOOP
Dr Mad: Simply press this button, set the target and... err...
Panel 4.
Dr Mad: ...and err...
Panel 5.
FX: DROOL
Panel 6.
FX: GRRRRRR
Dr Mad: This new invention of mine will bring a new era to mouse hunting technology.
Panel 2.
It features GPS... ...motion sensing... ...and a laser guidance system!
Panel 3.
FX: CLICK BEEOOP
Dr Mad: Simply press this button, set the target and... err...
Panel 4.
Dr Mad: ...and err...
Panel 5.
FX: DROOL
Panel 6.
FX: GRRRRRR