This bike trailer has been a ton of fun for our kids. It allows them to sit behind on a third wheel and pedal. This is definitely the best bike trailer that I have seen. If you have younger kids it is a great way to bring one of them along on longer bike rides! Here is some more info from the official website: /
The model I am selling is the 2013 model which is no longer sold but it is pretty similar to the current "turbo" model.