Geode Kids Geo kidsRobert Colburn donated and set up this beautiful exhibit, including cases, for us. FYI: A “nodule” is solid throughout, while a “geode” has a hollow and often crystallized space in the center. Visit Us ENDLESS EXHIBITS Military Room Pottery Collection Old Timers Room Deming School Tack Room Heritage Gem Collection Pottery Room Western Area Geode Kids Chuckwagon Medical Room Archives Transportation