Entry No. 42 — the Minneapolis file — filed under: kinetic art
Sculpture Clock
A 10-foot-tall, mid-century kinetic masterpiece by Jack Nelson featuring a mesmerizing, whirring brass mobile with over 600 parts that spin at different speeds inside a glass case.
The story
If you are looking for a standard clock face on Nicollet Mall, you will miss this entirely. Standing ten feet tall inside a clear glass case near 11th Street, the Sculpture Clock looks less like a timepiece and more like a mid-century kinetic engine. Designed in the 1960s by artist Jack Nelson, the piece turns the mundane task of telling time into a whirring, mechanical spectacle powered by more than 600 individual moving parts.
Inside the glass enclosure, an intricate arrangement of brass mobiles and interlocking gears spins at multiple mismatched speeds. Over the decades, harsh Minnesota weather and mechanical fatigue repeatedly jammed its internal components, leaving the piece frozen in place for long stretches. Rather than scrapping it, the city and the Minneapolis Arts Commission stepped in multiple times to restore its sprawling brass internals and relocate it near Peavey Plaza to keep it ticking.
It remains one of downtown Minneapolis's finest pieces of mid-century mechanical theater—a hypnotically complex kinetic sculpture hiding right on a public sidewalk.
What it's like
Head down Nicollet Mall toward 11th Street and look for the glass cabinet standing on the pedestrian corridor near Peavey Plaza. Stand close to the glass and you can hear the faint, continuous mechanical hum of over 600 brass parts rotating at different velocities. For the best vantage point, grab a coffee and take a seat on the concrete steps of Peavey Plaza to watch the golden mobile whirl inside its case.
The move: Grab a coffee and sit on the steps of Peavey Plaza to watch the intricate, hypnotic gears and brass pieces whirl in perpetual motion.
- 📍 Downtown Minneapolis
- 💸 Free
- ⚡ Up for anything
- 🌗 Outdoors
Where: 1102 Nicollet Mall, Minneapolis, MN 55403
Hours: Added 2026-07-21 — confirm current hours before you go.
Pair it with
- Rockman Sculptures at Federal Courthouse Plaza — Pair this mid-century kinetic clock with a short walk over to inspect the cartoonish bronze figures scattered across the grass at Federal Courthouse Plaza.
- Minneapolis City Hall and Hennepin County Courthouse — Contrast 1960s brass street art with the heavy 1890s granite Romanesque masonry and eerie history at City Hall, located six blocks northeast.
- Hennepin Healthcare History Center — Follow up an appreciation for 600 intricate mechanical clock parts by diving into vintage medical devices inside a nearby hospital basement museum.
Good to know
Where is the Sculpture Clock located?
It stands on the sidewalk near 1102 Nicollet Mall and 11th Street, adjacent to Peavey Plaza in downtown Minneapolis.
Who created the sculpture?
It was designed in the 1960s by kinetic artist Jack Nelson as part of the public art installations for Nicollet Mall.
How does the clock operate?
The ten-foot sculpture features a motorized internal mobile containing over 600 brass pieces and gears that spin at varying speeds within a glass case.
Is it free to see?
Yes, it is a free public art piece permanently installed outdoors on the pedestrian mall.
Plan a visit & invite your people →
Further reading: Atlas Obscura · downtownvoices.news · nicolletmallart.org · kare11.com
last checked: 2026-07-21