Construction toy kit

A construction toy kit comprises a plurality of construction elements and fasteners adapted for forming structures of various forms. The construction elements comprise straight flat strip, angled flat strips of various configurations, plates of various configurations, angled brackets of various configurations, blocks of various forms, and other accessories such as axle rods of various lengths, wheels, pulleys, locking clips, pin connectors, fasteners, spacers, washers, etc. Each of the construction elements has at least two holes of a same diameter, each hole having an associated concentric embossment formed therearound. The kit also includes a hand toy tool for tightening and loosening fasteners, which could also be used an accessory of the construction element. The kit further includes a container for holding the components thereof.