Observer Editor
“Return of the Makerspace: Robotics”: Ann Arbor Hands-On Museum
Oct. 3 & 4. All invited to design, build, and experiment with robots. 11 a.m.–3 p.m., 220 E. Ann. $16 museum admission (babies under 2, free). (734) 995–9439, discoverscienceandnature.org/aahom.