FAMILY: The Harbourfront Centre offers a packed itinerary for the long weekend, including HarbourKIDS: IMPACT! The event celebrates the ways in which kids can make an impact on the world around them, and the unmissable highlight is the Toronto International Circus Festival. Co-produced by Zero Gravity Circus, the festival showcases exciting feats for adults and kids alike, involving world-class acrobatics, blazing fire-eaters, daredevil stunts, stilt-walkers, jugglers, and more. The main show, SIRIUS FUN: The Impact! Big Top!, takes place this afternoon at the SIRIUS Satellite Radio Stage. Harbourfront Centre (235 Queens Quay West), events from 11 a.m.–5 p.m., FREE.

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