, ▁see ▁slot ▁car . ▁ ▁S lot ▁car ▁racing ▁( also ▁called ▁slot car ▁racing ▁or ▁slot ▁racing ) ▁is ▁the ▁compet itive ▁h ob by ▁of ▁racing ▁with ▁power ed ▁mini ature ▁aut os ▁( or ▁other ▁vehicles ) ▁which ▁are ▁gu ided ▁by ▁gro ov es ▁or ▁sl ots ▁in ▁the ▁track ▁on ▁which ▁they ▁run . ▁ ▁S lot ▁cars ▁are ▁usually ▁models ▁of ▁actual ▁autom ob iles , ▁though ▁some ▁have ▁bodies ▁purpose - des igned ▁for ▁mini ature ▁racing . ▁Most ▁enthus iast s ▁use ▁commer cially ▁available ▁slot ▁cars ▁( o ften ▁modified ▁for ▁better ▁performance ), ▁others ▁motor ize ▁static ▁models , ▁and ▁some ▁" scr atch - build ," ▁creating ▁their ▁own ▁mechan isms ▁and ▁bodies ▁from ▁basic ▁parts ▁and ▁materials . ▁ ▁S lot ▁car ▁racing ▁ranges ▁from ▁cas ual ▁get - t og eth ers ▁at ▁home ▁tracks , ▁using ▁whatever ▁cars ▁the ▁host ▁makes ▁available , ▁to ▁very ▁serious ▁compet itions ▁in ▁which ▁contest ants ▁pain st aking ly ▁build ▁or ▁modify ▁their ▁own ▁cars ▁for ▁maximum ▁performance ▁and ▁comp ete ▁in ▁a ▁series ▁of ▁races ▁cul min ating ▁in ▁a ▁national ▁championship . ▁Some ▁h ob by ists , ▁much ▁as ▁in ▁model ▁rail ro ading , ▁build ▁elaborate ▁tracks , ▁sculpt ed ▁to ▁have ▁the ▁appearance ▁of ▁a ▁real - life ▁race course , ▁including ▁mini ature ▁buildings , ▁trees ▁and ▁people , ▁while ▁the ▁more ▁purely ▁compet itive ▁rac ers ▁often ▁prefer ▁a ▁track ▁un ob struct ed