Jewelry made by Agustin Torres, a Nahuatl Indian, from sherds of Mata Ortiz pottery encased in silver, is displayed and sold from 10 a.m. to 4 p.m., Friday and Saturday, Dec. 9 and 10; free with admission. Visit mataortiztoyou.com for more information about the jewelry. Hours are 8:30 a.m. to 4:30 p.m., daily; $8, $4 child age 4 to 12, free younger child or member. Call or visit tucsonbotanical.org for more information.