Filled with hands-on educational exhibits, including Build It!, where kids can use engineering to create whatever they can imagine; Bodyology, a health-and-wellness exhibit, and Investigation Station, a playful, participatory exhibit about science, technology and mathematics. Family Brain Boost each Saturday is a science experience for the whole family, and daily scheduled and spontaneous programs enrich early-childhood education. Hours are 9 a.m. to 5 p.m., Tuesday through Friday (open Mondays during the summer) and 10 a.m. to 5 p.m., weekends; $8, under 1 year free; $3 admission on Sundays between Memorial Day and Labor Day. Closed Easter, Thanksgiving Day and Christmas Day. Visit childrensmuseumtucson.org for more information.