Just tie a neon shoelace ‘round the old oak tree…!

So, Rusty helped Robbie bury the broken game controllers in the woods!?! Now I’m confused. If Rusty fulfills his plan to get revenge against Robbie in the science fair, he also exposes his own complicity in the deed, right? I reckon he hasn’t thought this through. Let’s see if Mark figures it out. You remember Mark; he’s the guy with the big head (or the petite torso) in panel 1.