A Kayak Trolley allows a boater to transport the kayak over ground by using a frame with wheels that is usually either strapped to the kayak itself or rests inside the scuppers.
Trolley's can be purchased as aftermarket gear, built yourself, or are provided as part of a kayak purchase package.
For Budget Enthusiasts GuruGrant has a $29 kayak trolley project.
Al has a trolley he made for his Seabreeze
tasyakker made an interesting, cheap trolley for his Espri