Dick's Sporting Goods carries them.
A kayak is a small vessel which carries a single occupant on the water (ocean or lake).
How to get in and out of kayaks, launch a kayak or get on and off a kayak from a dock, is shown is this video:http://www.youtube.com/watch?v=G7vRwSyV1v4. This video and article also shows how it is...
A kayak is a self propelled water vehicle. It is similar to a canoe but is normally covered, although some open faced kayaks exist.