K nex kid 78830 229 piece transportation set for up to 9 students k nex 78830 the kid k nex reg 78830 transportation set includes 229 pieces including 36 wheels 10 of which are super sized and 6 are truck wheels it can support up to 9 children building simultaneously p p the set contains sufficient parts to build 13 models 9 at a time p k nex kid 78830 transportation