Noun
ten-in-one (plural ten-in-ones)
A carnival freak show that presents numerous exhibits in the same location.
The sideshow seemed destined for oblivion, until only a few exemplars of the ten-in-one remained. Source: Internet
The ten-in-one would often end in a "blowoff" or "ding," an extra act not advertised on the outside, which could be viewed for an additional fee. Source: Internet