Kit

The kit comprises a kit body, a kit cover, a supporting pad, a pressing plate, a guide rod, a positioning sleeve, an elastic plate, a test tube, a sleeve, a connecting rod, a connecting block, a spring, a movable block, a sliding block, a sliding groove, a first protruding part, a second protruding part, a limiting part, a clamping block, a clamping rod and a buffering pad. The kit body is used for storing test tubes, the test tubes can be sequentially placed and conveniently classified by arranging the multiple pressing plates, the use convenience of the kit is improved, the pressing plates can be rapidly lifted by arranging the sleeves and the connecting rods, the test tubes can be conveniently taken, meanwhile, labels on the test tubes can be conveniently observed, and the use convenience of the kit is improved. The kit is simple in structure and convenient to use, rapid operation of lifting and storage of the pressing plate can be achieved by arranging the sliding grooves, the use performance of the kit i