Supplement your masterpieces with the Huge Supplement Set! Teifoc is a unique build and play system that uses real reusable bricks to create fun and elaborate structures and creations. This 280 piece kit provides an assortment of bricks and safe soluble sand and corn-extract based mortar. A Perfect compliment to expand on any Teifoc Model Kit. Add on to your existing creation or create your own designs, castles and landscapes. To build a new model, simply soak in water, dry the bricks and start again. It's as easy as that!