ok for the drive motor extenders, get rid of them. move the baseplate anchors as close as you can to the edges of the bot, that should allow u to atach the motorsuse the small wedges also for(i think) that they are betteryou can probably use shiny wheels, but that will make it slightly slower.
ALERT- Another WS coming up...
I'm fine with hugging reier
wait how is the chassis like that?
How many razors?
You got my vote for RA2 Wizard. Always and forever.