on the lower portion of the sliding frame 20 engages and disengages the governor 30 of the spring machine frame 27 a rotating arm 24 is supported so as to rotate around a fulcrum of a small shaft 25 and a light source 26 is attached to the front end of the rotating arm 24 the rotating arm 24 has a slot 24a formed therein and a pin 36 is fitted vertically through the slot 24a the pin 36 being formed on the cam 35 when the elevating machine frame 13 is elevated the light source 26 is lit because of a contact made between electric conductive contact 39 formed on the side of the elevating machine frame 13 and another electric conductive contact 40 formed on the inner wall of the outer shell halve 1b lighting of the light source 26 makes the images displayed on the film 22 of the sliding frame 20 project onto a wall outside the main body 1 through the opening 13a see fig3 while light source 4 causes images from the frame 5 to be projected onto projection faces 101 when the sliding frame 20 moves right as shown in fig3 and the front end of the projection 20c is separated from the governor of the spring machine frame 27 the spring is released to rotate the cam 35 and.