Art demonstration case is drawn to sand

The utility model relates to an artistic apparatus of demonstrating, the name is an art demonstration case is drawn to sand, and it includes a box, is glass panels above the box, has a plurality of lamps in the middle of the box on every side, and the lamp also has intake pipe and outlet duct through the controlling means power connection to the side of the box, the air inlet unit of the coloured gas of pipe connector that admits air, the gas device is received to the outlet duct, also have the spout below the box, the spout accesss to the box outside, has the slide on the spout, is the position of putting up the background painting above the slide, the box in the middle of still the switch -on have the froth device, such art demonstration case is drawn to sand can draw a picture on the glass board, provides light below the glass board, coloured gas flow simultaneously, the effect of setting off drawing above the glass board by contrast. 本实用新型涉及艺术演示用具，名称是一种砂画艺术演示箱，它包括一个箱体，箱体上面是玻璃面板，在箱体中间周围有多个灯，灯经控制装置接电源，在箱体侧面