# COSI High-Wire Unicycle

COSI is a top-ranked science center featuring the world-famous High-Wire Unicycle. Visitors pedal across an 84-foot cable suspended 17 feet in the air, using a 250-lb counterweight to demonstrate the physics of gravity and center-of-mass.

## Key Facts
- **Type**: activity
- **Address**: 333 W Broad St, Columbus, OH 43215
- **Website**: https://cosi.org/
- **Hours**: 10:00 AM - 5:00 PM (Daily)
- **Entry**: Approx $30; Unified for entire museum.
- **Price tier**: moderate

## Family Amenities
- High-Wire Unicycle
- Dinosaur Gallery
- Gadgets Hall
- Ocean Interactive Zone

## Insider Tips
The unicycle is a must-do for brave kids. Note the safety requirements: 25-inch inseam and closed-toe shoes. For pure kinetic joy, the 'Gadgets' area has a massive Rube Goldberg machine that runs every few minutes.


## Sources
- [COSI - High-Wire Unicycle](https://cosi.org/exhibits/classic/high-wire-unicycle)

---
Source: Outline Travel. Last verified: 2026-04-07.
Permanent URL: https://outline.travel/destinations/global-gems/cosi-columbus/