Reed and Harper are hiking Arches National Park, and they want to share with you everything they've learned about petroglyphs, cairns, and the Northern Grasshopper Mouse. For a one-time purchase, read about their adventures, unlock the code to figure out Reed's secret message, color the postcard, and put the sticker somewhere you can show off your love for Arches! 

Includes one double-sided letter, one activity sheet, one postcard, and one sticker.