Wonderlab Museum of Science — Bloomington, Indiana — http://www.wonderlab.org/home.html
From their website: "WonderLab is a private nonprofit 501(c)(3) organization whose mission is to provide opportunities where people of all ages, especially children, can experience the wonder and excitement of science through hands-on exhibits and programs that stimulate curiosity, encourage exploration, facilitate discovery and foster learning."

Finished machine before sandblasting and painting	12 tuned bells play Stardust by Hoagy Carmichael, born in Bloomington in 1899	Interactive devices