sentence: Trackable items are logged on the website and moved from cache to cache.
sentences_before: The cache is usually in a waterproof plastic container with a logbook where geocachers write their registered nickname and date they find it. Larger containers usually contain items for trading like plastic toys, hockey cards or special trackable items called Travel Bugs or Geocoins.
concept_name: trackable item
headings: Geocaching Cache
categories: Sports