omg.theres a purple one? Yep, there were 3 colors for the First Edition. I'm sure somebody can help you spot the purple one, but recently I guess got more and more ratbomb collectors
But got to take note, Maisto tyres are generally bigger and can only fit a few HW castings. And most of the time, the axle is pretty short. On the positive side, no need to drill, just screw open.