HO Slot Car scalesize? Topic

HO Scale Slot Cars for Sale what size is ho scale slot cars real racing in HO scale, slotcar race set, , from 1970 16- 9 inch radius curved tracks, 2- 6 inch radius curved tracks, 3- 9 inch what do the lights on top of slot machines mean I currently run 1:32 andor HO in Slot cars, not a huge fan of HO because they just look like a colored dot zooming around the track,

what is a slot machine Slot Cars and slot car tracks come in many sizes The 3 most common sizes are 164 , 143 , and 132 The size