A stunning build with detailed features for Cat lovers. A stunning build with detailed features for Cat lovers. Overcoming limitations of conventional way of building bricks, JEKCA aims at creating sturdy and detailed models that can fit to everyone's daily life. JEKCA is very different from traditional building bricks - our patented technique ties the bricks together, and allows you to build a sturdy sculpture. Building JEKCA bricks is more challenging and requires more skills, but at the same time with a higher level of satisfaction that traditional building blocks can never offer.