Abstract: A set of hexagonal or triangular pieces adapted to the playing of variants of the game of Go on a plain unmarked surface, by laying pieces down contiguously. Each piece has means for picking it up when it is surrounded by other pieces, as by having a central hole into which the stick-like handle may be temporarily inserted. Dual pieces, each shaped as two single pieces of opposite colors joined together along a common side, are also provided.

Abstract: An amusement and educational audiovisual device consisting of what is commonly referred to in the art as a talking book and a playback device adapted to be utilized in conjunction with a plurality of different talking books. The talking book of the invention is of book-like appearance and includes a front cover and such printed material as may be necessary to convey the visual message intended. Appended to the front cover and printed material is the back portion of the talking book which consists of a tape container. The tape container is provided with an opening therein adapted to receive the transducer head and capstan of the playback device and is of such simple construction as to be usable by very young or handicapped children. Various types of biasing means are provided in the alternative embodiments of the talking book and playback device to insure registry of the tape with the transducer head and capstan drive of the playback device.