WE Games Old-Time Red and Black Wooden Checkers Set Wooden board with natural and brown squares Board measures 12 in. with 1.25 in. squares Includes 24 stacking checker pieces in cloth pouch - pieces with 1.125 in. diameter The checkers are stackable for when they are kinged but are not designed to be interlocking due to the nature of wood. Both pieces must be lifted to move a king from one place to another. The checkers are designed so that if the bottom checker is lifted, the top checker will get a free ride without sliding when handled gently.