PURPOSE: To provide a play tool which is of simple and stereo structure and can be utilized for multipurpose by a method wherein an apex part is formed in an arbitrary shape, and sides formed by a hollow tube are coupled to form a regular triangular cone.

CONSTITUTION: An apex part 1 is formed an arbitrary shape, and sides 2 are formed in a regular triangular cone by using a tube of polyvinylchloride, rubber, leather. In this case, the tubes may be partitioned into proper numbers, or partition is made at each tube, and the whole may be formed integrally. A way in which the tubes are partitioned into a proper number is preferable in terms of handling and safety. When a play tool is used on water, instead of the tube, a floating member, e.g., hollow plastics, foamed polystyrene, a wood, can be used. The four outer surfaces of a triangular cone are colored differently from each other, and the color can be utilized as a mark and a signal. By forming the apex part 1 in a connectable shape, a plurality of play tools can be interconnected for a play, and coverage of it with a sheet can be made to form a large tent.