Oh...it looks like an overgrown hand vac, with a vacuum head and handle. It stands about 3 1/2 feet high and weighs about 6 pounds.
It looks like this:
The one we have is dark green, with a black handle.
You can buy them in the store or online for $30-50 (plus shipping/taxes). Rho paid $40 or so for it, so we're going to knock the price down to $20.