A bump detector system for a ride-on vehicle is provided. The bump detector system uses an extended length inner collapsible member having a first surface and a second surface. The inner collapsible member has a plurality of through holes spaced about its extended length. A first outer conductive member is secured to the first surface of the inner collapsible member and extends over the plurality of through holes, and a second outer conductive member is secured to the second surface of the inner collapsible member and extends over the plurality of through holes. The bumper of the ride-on vehicle has a recess that is sized to receive the inner collapsible member, first outer conductive member and second outer conductive member.