Lego blocks have long been used in Europe as building “bricks” in the construction of infrastructure, civil and industrial facilities for various purposes. Thanks to the groove-spike connecting system, lego blocks allow you to quickly create high-strength capital structures without the use of glue and masonry mortars. Such a connection system not only increases the accuracy of the fit of one product to another, but also increases the resistance of the structure to mechanical and weather influences. Besides you can rebuild the completed construction, without harming by dismantling lego blocks at any time.