Frogs on the box Posted on November 15, 2012 by sarah.pickthall A non-stop whirl of feverpitched acrobatics, cycling and hula-hoops to infuse your Thursday thinking. Let Stumble danceCircus play for 90 seconds in the Space. Stumble danceCircus presents Box of Frogs – a circus show with a difference. Five acrobats and two musicians play with the audience’s expectations of mental ill-health and performance, against a backdrop of filmic illusions.