Set of elements giving the possibility of forming two types of wheeled devices for children

A system for converting a wheeled device for children, the system comprising:

• a) a first set of elements including:
• a platform, the platform has a front end and a rear end;
• at least one front wheel connected to the front end of the platform;
• at least one rear wheel connected to the rear end of the platform;
• b) a second set of elements including:
• a handle comprising an upright;
• a supporting body having a first end connected to a lower section of the upright, a seat mounting portion, and a second end connected to the front end of the platform;
• and
• a removable seat connected to the seat mounting portion of the supporting body;
• wherein the handle is removable with respect to the supporting body;
• wherein the platform includes a well located on the front end of the platform, the well receives the lower section of the upright;
• wherein the front end of the platform comprises a boss, the boss having a front section and a rear section, and said well opens at a the rear section of the boss;
• wherein the supporting body includes in the second end having a front extension and a rear extension defining together a housing having a recessed shape corresponding to the shape of the boss;
• wherein the supporting body is set into place on the boss by connecting the front extension against the front section of the boss and the rear extension against the rear section of the boss;
• c) a mounting device for mounting the removable seat on said seat mounting portion of the supporting body, and
• d) an attaching device for attaching at least one of said extensions to the platform.