This Valco Car Seat Adapter ($40) allows you to turn your Runabout stroller into a travel system.
The Valco Runabout Car Seat Adapter works has two models available for the twin runabout and the single runabout. It is currently available for Graco Snug Ride, Britax Companion, or Peg Prima Viaggio/Peg Perego 2006 SIP carseat.
This carseat adapter fits all 2005 and later Valco twin/single runabout models.