Hawai’i Nature Center in Makiki will have a class for its littlest learners. Mother Nature’s Music, for ages 3-5, will explore the soudns of nature. Keiki will make instruments from natural materials and use their voices to fill nature with their own music, as well. Feb. 25, 9:30 to 11:30 a.m. Reservations required; call 955-0100, ext. 118. $10 per person.