Now you can convert anyMountain Buggy stroller to accommodate your tag-along toddler. With the new Free Rider you can expand the features of your Mountain Buggy stroller. The Mountain Buggy Free Rider won the Kind + Jugend Innovation Award for 2010 for this stroller-to-scooter board. The Free Rider is the first 2-in-1 click and go scooter and buggy board that allows a child to ride close and ride free. On those longer walks, your older child will now have a fun and exciting place to rest and ride.