Abstract: An amusement device passing within a tube is made into a device which is safe in operation while passing within a dark tube, giving a mild and fantastic mood to a sight feeling of a rider to enable the rider to enjoy modern leisure characteristics or joyfulness and then a picture drawn on the inner wall surface with fluorescent substance and an illuminating device for radiating ultraviolet rays to the picture are arranged so as to cause a rider to play in the amusement device and to enable a stereoscopic light emitting image to be attained on the inner wall surface of the tube.