Glass Ball Multi Colored Ornaments [GG0323A] Miniature Decorative Glass Ornaments Set of 15. Includes 14 Mini Glass Ball Ornaments and One Miniature Tree Topper. Ball Size: 35mm ( 1.37 inches) diameter each. Mini Tree Topper Size: 6 inches. Perfect for mini christmas trees decorating! Christmas Ornaments and Decor by Kurt S. Adler featuring Blown Glass Ornaments.