Signal is ready to race. This fun new trackable known as a Travel Racer will be a delight to find in any cache! They are fully trackable at Geocaching.com, each with a unique tracking number so you can follow their travels. Made of aluminum,these fun travelers also come with a chain so that it may be attached to another item. These Travel Racers measure 1.5 inches by 1 inch so they will fit nicely in smaller cache containers.