This innovative product is an ideal product for family cycling, it allows the cycle to be used as either as an independent tricycle or as a trailer unit. It has all the standard features of a Terrier Tricycle with its sturdy frame and easy pedal gearing but with the ability to be quickly changed into a trailer unit. The package includes a Terrier tricycle with a frame folding mechanism which can be converted to a trailer cycle by replacing the front section of the tricycle with an extension arm which joins to the adult's cycle. Place your enquiry here: https://bit.ly/3ngAxVf