The Teifoc Universal brick and mortar construction kit is a must for budding builders. Teifoc is a unique build and play system that uses real reusable bricks to create fun and elaborate structures and creations. Bricks are made of cooked clay and totally safe for play. The bricks can be used more than once. The cement dissolves in water in a couple of hours. Teifoc is totally safe and adequate for children. The doors and windows are made of high quality synthetic material. By using cooked clay in its articles, Teifoc collaborates with environment management and introduces the children to it. This Teifoc box includes two building drawings, but you can also let your imagination and creativity run free. This construction set will look great as part of any model railway or imaginative play scene setting. The whole family has fun with Teifoc, especially the little architects and builders. Teifoc bricks can be used several times. To dissolve the cement, leave the building in water for 2 hours. Then rinse the bricks, leave them to dry and start all over again using new cement.