Plastic 154 piece large construction set. Includes:4 x 6 hole struts, 4 x 5 hole struts, 4 x 3 hole struts, 8 x 9 hole squares, 4 x large hole wheel washers, 6 x small hole washers, 4 x large wheels, 18 x 2 hole 90' joiners, 4 x wheel axles, 4 x strengthener bars, 2 x spanners, 48 x nuts, 36 x bolts and 4 x hooks.