A Zorb™, decorated and painted to look like a giant coronavirus.
Intended to be propelled through public spaces like malls, shopping centres and streets, roaring and growling and bellowing "HUMANS ! HUMANS ! MUHWHAHAHAHAHAHA ! I'M COMING TO KILL YOU ALL ! HAHAHAHAHAHA !" and scattering self-propelled hamster-ball-sized progeny behind it.
The populace will flee in terror.
Hilarity ensues.-- 8th of 7, Mar 20 2020 Basil the Rat http://tviv.org/Faw...owers/Basil_the_RatClassic ... [8th of 7, Mar 21 2020] Ironically, the rider inside his plastic bubble is protected from corona virus.-- Cuit_au_Four, Mar 21 2020 Yes, it's beautifully symmetric, isn't it ?-- 8th of 7, Mar 21 2020 You're an interesting bunch of guys, [8th].
Like it [+].-- whatrock, Mar 21 2020 Not just "interesting" ... we offer an amazing benefits package, too. Care to join ? Guaranteed NO setup charges, NO annual subscription ...-- 8th of 7, Mar 21 2020 Can't stop laughing. Although we probably should throw a hamster inside just for shits and giggles.-- blissmiss, Mar 21 2020 A rat would be more threatening ...
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You could get a tame, harmless white rat, and dip it in brown (Rattus norvegicus) or black (Rattus rattus) hair dye - altho the pink eyes would give it away if you got close. Not that most people are going to want to get close ...-- 8th of 7, Mar 21 2020 Can the protrusions, on compression, spray disinfectant? Scary and fun but with purpose.-- wjt, Mar 22 2020 random, halfbakery