Pololu 1418 zumo chassis kit pololu 1418 the pololu zuma chassis kit is an easy to assemble kit that produces a small high performance tracked robot platform that is less than 100mm on each side enabling it to qualify for mini sumo competitions br br included in the kit are two silicone tracks two drive and two idler sprockets a 1 16in acrylic mounting plate and mounting hardware br br this chassis kit is just one of the many b pololu b accessories carried by b rapi