Popular Mechanics has a great article submitted by a Caleb Brown who shows you how he built a leaning bicycle sidecar for carrying his son around. The great things about the design are that the full suspension smooths out bumps in the road, the suspension allows for leaning, it allows the driver & child to communicate face to face, and finally it’s pretty low cost. Also, the fact that it uses a commercially available child carrier means many families will be able to make use of carriers they already own.
It looks professional and we’re impressed. GREAT JOB!!!