The difficulties that those people meets that must move on a chair to small wheels are manifold above all due to the architectural barriers or dispositions that prevent them of move nimbly in each type of environment. Particularly it becomes complicated move with the chair to small wheels on disconnected, sandy or gravelly grounds, or in presence of ice and snow, where because of the characteristics of the road mantle the wheels of the baby carriage find in front of oneself it often hinder insuperable. Thinking about it has begun to sting a simple and functional able to device resolve the problem easily. An accessory is dealt with from apply to the chairs to small wheels provided of track and of long duration that could be applied to the back wheels, but also to those anterior, with a system simple connection to joint. The track for the back wheels comes applied directly on the wheel with of the hooks to adaptable joint to any measure, while for the anterior wheels, smaller, it has stayed created a track furnished of cylinders that go to unite the two routine small an uniform, tracked, applicable also she with the simple and fast system of the joint. This system is particularly appreciable for the fact that could be applied also to the chairs to small wheels already in commerce for then have removed once that it is not more necessary. In this way soldier will be go in a beach, in a path, or cross a road disconnected without the help of nobody and without run any risk. Besides the kit begun to point is lent to have also used for baby carriage and strollers for children, to make the transport also the terrestrial disconnected. Whoever wants to collaborate with the inventor or wants to have more information, you can contact us at our telephone numbers indicated at the end of the page or you can write us using the appropriate ELECTRONIC FORM. We remember finally the navigators, that all the inventions published in this web site are patented. Whichever partial or total plagiarism of the things or objects that are reproduced in photographs or drawings, will come, according to the law, pursued as in Italy as in all the foreign states. All the texts are instead protected by copyright.