1. Ancient China Treasures: There are 6 different ancient China coins to collect, contain 1 metal hammer and 1 cleaning brush. The bottles which pack with the blocks are also reusable and can be used as special pen holders for children. 2. FUN AND EDUCATIONAL GIFT: Ancient China Treasures Digging Kit can help children to learn about the history. Through the process of excavation, can feel the charm of art more truly. Great Gifts for Birthday, Christmas, Easter, Theme Party. 3. EASY TO DIG OUT: Our dig kit brick is very easy to be dug with the equipped hammer, chisel and brush in the package. If you find it too hard you can also dampen the block with water as its material can be melted with water. 4. SAFETY MATERIAL: The block is made of , environmental, nonsmell gypsum, friendly to children. Also it won't create huge mess and dirt and dust while your is enjoying the fun of digging.