Yepp Mini front child seat, stem mount
Thule 970 Xpress 2-Bike Towball Carrier Rack For Car. It is very easy to instal it on the tow bar and carry up to two bicycles.
Thule RoundTrip Transition hard case with assembly stand (Bike Travel Box)
BIKE RACK Thule 92701 VeloCompact 3-bike towball carrier 7-pin
Premium 2 seater childs bicyce trailer that converts to a buggy with it's included stroller kit and then neatly folds away for easy storage.