Answer: unicycle

AnswerCrossword Clue
UNICYCLECircus teeterer
UNICYCLECircus vehicle
UNICYCLEBig wheel in the circus world
UNICYCLEBalancing act?
UNICYCLEClown prop
UNICYCLEIt requires a balancing act
UNICYCLETake the wheel?
unicyclea one-wheeled vehicle / to ride a unicycle
unicycleA cycle with a single wheel, typically used by acrobats