It is African block meershaum. It is a complete kit with instructions, beeswax, and a practice block. Most would keep it as a collector item, some might smoke as is, and some may carve it.
These don't come around often! Chamber is 1 1/2 deep by 3/4 across. Peterson's Meerschaum Block Karvit Estate Pipe Carve Yourself Kit" is in sale since Saturday, July 31, 2021. This item is in the category "Collectibles\Tobacciana\Pipes\Estate". The seller is "pipeclub" and is located in Marietta, South Carolina.
This item can be shipped to United States.