Distinguishing features
ONDERWATER FAMILY TANDEM 3-seater bike. It has a very long frame and 3 saddles: 1 adult seat and 2 child seats. The front and back saddles have pedals. The middle saddle is a ride-on only, with a footrest.
It is retro-fitted with a black electric battery box (with lots of wires coming out of it!), tied to the back rack with plastic straps.