Mathematics teaching aid case

The utility model relates to a technical field of mathematical education device especially relates to a mathematics teaching aid case, and it improves the use reliability, reduces and uses the limitation, including box, display screen and spliced pole, the inside of box is provided with places the chamber, and the front side of box is provided with to get puts the mouth to putting mouthful the department and being provided with shutter getting, get and put mouthful and place the chamber and communicate with each other, the top of box is provided with the draw -in groove, and the below of box is provided with the support frame, be provided with ball bearing in the draw -in groove, place the intracavity and be provided with left spring, left cardboard, right spring and right cardboard, left spring left end with place intracavity left side wall connection, left spring right -hand member is connected with left cardboard, right spring right -hand member and place intracavity right side wall connection, right sprin