Two 14cm long magnetic needles with colored poles are mounted on plastic stands with needle bearings. Use individually as a demonstration compass, or as a pair to show attraction and repulsion. Additional Info: Two 14cm long magnetic needles with colored poles are mounted on plastic stands with needle bearings. Use individually as a demonstration compass, or as a pair to show attraction and repulsion. Package Size(L x W x H): 6 X 3 X 0.75 (IN) Categories: Magnetism, Compasses HTS Code: 9023.00.0000 UNSPSC: 4.11138e+007 Country Of Origin: CHINA