Simple to use building set featuring a unique interlocking system which allows effortless joining and dismantling. Includes bricks, half bricks, and half cap bricks, roofing tiles, windows and doors. Create 2D pattern play to very elaborate 3D houses, castles and other structures. These versatile and colourful building bricks provide children of different ages and abilities hours of fun and enjoyment, enhancing creative thinking, problem solving and fine motor co-ordination skills. Each set includes working cards. Ages 4-12.