Study carousel

Study carousel, it is bulky to have solved current study carousel, carry inconveniently, the problem that excites student's creativity consciousness that can not be fine, its large disc who includes the middle part, large disc upper portion and lower part symmetry are provided with the apron, constitute the cavity between apron and the large disc, rotatablely in the cavity install first carousel,the second carousel, third carousel and fourth carousel, first carousel, the second carousel, the third carousel, outer terminal surface parallel and level of fourth carousel and interior terminal surface parallel and level, be equipped with the breach of circular arc type on the apron, novel structure, ingenious conception, through rotating different gear wheels, thereby the appearance that makesthe speech randomness on the different carousels is in breach department, so that development student's thinking and imagination, for later development lay good foundation on, this equipment is smalland exquisite, lightly, an