Tucson school kids participate in the month-long, nationwide Great Paper Airplane Project; and the best entries compete to see whose plane can fly farthest at 11 a.m., Saturday, Jan. 14; free for registered competitors and up to four family members; free with paid admission. Complete information about the competition, paper-airplane patterns, videos and advice from engineers are available at greatpaperairplane.org.
Museum hours are 9 a.m. to 5 p.m. (last admittance 4 p.m.), daily; $15.50, $9 ages 7 to 12, free child younger than 7, $12.75 senior, military, Pima County resident and AAA. Call or visit pimaair.org
for more information.