All Terrain Wagon-Ski

A convertible carriage for transporting subjects on a plurality of operating surfaces, comprising:

• a receptacle;
• a sledge;
• a set of wheel assemblies attached to the receptacle;
• and
• a set of telescopic landing gears attached to the receptacle, and connected to the sledge, wherein the set of telescopic landing gears being configured to operably extend or retract to switch an operation mode of the convertible carriage between a rolling operation mode and a sliding operation mode, wherein in the rolling operation mode, the sledge is retracted to allow one or more wheel assemblies from the set of wheel assemblies to come into contact with the operating surface such that the convertible carriage is transportable on an operating surface by rolling of the one or more wheel assemblies, and wherein in the sliding operation mode, the sledge is in contact with the operating surface such that the convertible carriage is transportable on the operating surface by sliding.

A convertible carriage for transporting subjects on a plurality of operating surfaces, comprising:

• a receptacle;
• a sledge attached to the receptacle;
• and
• a set of wheel assemblies retractably connected to the sledge by an actuation means, the actuation means configured to switch the operation mode of the convertible carriage between a rolling operation mode and a sliding operation mode, wherein in the rolling operation mode, one or more wheel assemblies from the set of wheel assemblies are in contact with an operating surface, and wherein in the sliding operation mode, the one or more wheel assemblies are retracted into the sledge to allow the sledge to come into contact with the operating surface.