Changeable tile layout including electrically connectable track

Claim 1

A TOY VEHICLE LAYOUT COMPRISING A PLURALITY OF RECTANGULAR TILES HAVING MUTUALLY PERPENDICULAR BORDERS AND ADAPTED TO BE PLACED IN SIDE-BY-SIDE RELATION TO PROVIDE A CONTINUOUS RECTANGULAR LAYOUT, EACH OF SAID TILES HAVING SCENERY FORMED THEREON AND INCLUDING AN INTEGRALLY FORMED ROADBED SECTION WITH A TRACK FIXED THERETO, EACH OF SAID TILES INCLUDING A NON-PLANAR, CONTOURED UPPER SURFACE AND HAVING AT LEAST ONE EDGE PORTION OF IRREGULAR CROSS-SECTION CORRESPONDING SUBSTANTIALLY WITH AN IRREGULAR EDGE CONTOUR OF A PLURALITY OF THE OTHER TILES TO PROVIDE FOR INTERCHANGEABLE MATING OF THE SEVERAL TILES, THE ROADBED AND TRACK ON A PLURALITY OF SAID TILES BEING SIMILARLY DISPOSED BOTH VERTICALLY AND HORIZONTALLY WITH RESPECT TO THE SIDES OF SAID TILES, AND MEANS AT EACH OF CHANGEABLE MATING THE TILES, AND MEANS AT EACH OF THE ENDS OF THE TRACK ON EACH TILE PROVIDING FOR A MECHANICAL CONNECTION BETWEEN ADJOINING TILES AND AN ELECTRICAL CONNECTION BETWEEN TRACKS ON SAID ADJOINING TILES INCLUDING A METAL EYELET DISPOSED THROUGH A CROSS-TIE ON SAID TRACK AND THROUGH SAID ROADBED, AND A REMOVABLE METAL CONDUCTOR HAVING END PORTIONS POSITIONABLE IN EACH OF TWO OF SAID EYELETS ON ADJOINING TILES TO PROVIDE FOR CONTINUITY OF THE ELECTRICAL CIRCUIT ACROSS ADJOINING TILES.