You might want to spend some time browsing the exhibits at Alexander Arbuzov and Boris Arbuzov Memorial House, Anatomical Museum, or Soviet Lifestyle Museum. While you're exploring, swing by Bauman Street, M. Dzhalil Tatar Academic State Opera and Ballet Theater, and National Museum of the Republic of Tatarstan to learn a bit about the area. You can watch performances at Ekijat Tatar State Puppet Theatre, Tatar State Academic Opera and Ballet Theatre, and Kazan State Theater of Young Spectators if you're interested in local theater.