Robuta

https://www.popsci.com/cars/article/2010-09/pedal-powered-monorail-system-wins-105-million-google-contest/ Pedal-Powered Shweeb Monorail System Wins $1.05 Million in Google Innovation Contest Shweeb first surfaced last summer as a gimmicky but eye-catching tourist attraction. It's a monorail system in which the "cars" are clear plastic pedal-powered... monorail systemin googlepedalpoweredshweeb