Though for unique moments, LETS (a light easy transportable system) introduces a simplified puzzle system for alternative and transportable spaces. It is light to carry and easy to assemble, permitting to edify anywhere a desired space in an intuitive way. Therefore all the pieces of this puzzle have the same form and dimension, respectively it is so designed that so each piece has the necessary solutions to join together the wished form. Hence you do not loose time while reading instructions or trying different combinations, you just enjoy your space becoming real. This system can be used for private or public proposes and is designed not just to assemble temporary spaces but also furniture.