To enable a running on a flat place and also ensure a running on a slant surface from a lower to a higher place by mounting a running means with a wheel driving means to a slidingly running means, and remote controlling the driving means.
This ski 10 has a slidingly running device 60 and a running device 20a which drives at least one 30a or one or more wheels 30 by means of a driver. The running device 20a is mounted to the slidingly running device 60 by means of a mounting device 50. The driver is remote controlled by a control device which is provided at a grip of a stock for the ski and operated by a user while the user holding the grip. With this constitution, the ski 10 can be travelled on a slant surface from a lower to a higher place, and it can be slid down from the high place to the low place utilizing gravity with the running means removed therefrom.
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