There are special sets of various pieces that differ by form and size. They all have identical connections, so any piece can be attached to another one. These pieces are used as building blocks and can be assembled in any shape a child wants. Such construction toys are great at developing both social and individual skills. The majority of constructor sets have a task or an object that is intended to be built from given parts, however a child is always free to create an object he or she wants, and there are no restrictions from doing so. It helps develop spatial skills, creativity and imagination. Several children may be asked to construct a more intricate object from a given amount of blocks, and working together can develop necessary social skill like working in a team and ability to listen, also developing leadership qualities.