PURPOSE: To enable playing of various marine sports and spending of leisure by a method wherein a water jet engine is mounted to the boat bottom, a handle part is protruded rearwardly of a part of a ship hull, and a user rides on other water sliding tool body 1 to operate the handle part.

CONSTITUTION: A water sliding tool body 1 for traction with a rime mover is formed such that a water jet engine 3 is mounted to a boat bottom 2. A player rides on a board for water skiing end drives the water jet engine 3 of the water sliding tool for traction with a prime motor. The player hands a handle grip part 16, and controls a throttle lever 17 mounted to a handle to slide on a water surface. Or the player may ride on a surfing board, a rubber boat and the like to operate the throttle lever. In this way, the player alone amuses himself by playing water skiing and by playing surfing even when there is no waves rough enough to allow playing of it, and this sliding tool can be used for traction of a rubber boat.