The term 'kind of block' can refer to a variety of objects. The crossword solutions for this term are WRITERS (7 letters), MENTAL (6 letters), CINDER (6 letters), MORTISE (7 letters), LEGO (4 letters), CELL (4 letters), and STUMBLING (9 letters). WRITERS refers to a type of block used in printing presses, which is composed of individual letters that can be rearranged to form words. MENTAL is another word for psychological blocks, which are MENTAL barriers that prevent people from achieving their goals. CINDER blocks are a type of masonry block made from concrete and coal cinders, often used in construction. MORTISE blocks are a type of woodworking joint that is used to join two pieces of wood together. LEGO blocks are a type of plastic building block that can be used to construct models. CELL blocks are a type of prison CELL that is used to house inmates. Finally, STUMBLING blocks are figurative obstacles that can prevent someone from achieving their goals.