Balls are made of  low density hollow plastic

The clearly marked trails include mileages between intersections

Made of wood

magnesium hydroxide carbonate

Pendant: Geode trekking poles Balls are made of lowThe Natures Trail Collection from Crystal Creek Gems is all based on Silicon Dioxide. That is, if you will, dirt and sand. The gems we use are in crystal form and include: Crystalline Quartz (clear crystals, amethyst, etc.) Micorcrystalline Agate and Caledony Micorcrystalline Jasper Geodes Microcrystalline Fire Agate Agatized Fossils Its very unlikely you would find any of these hiking our Appalachian Trail. So we try to show places mostly in the USA