The instrument vehicle is a four-wheel aluminum alloy cart with a double-layer anti slip tray design, which can transport 12 sets of glassware (beakers, measuring cylinders, conical bottles, etc.) at once. Install foldable fences and cushioning sponges around to prevent glass collisions; Bottom universal wheel belt brake, silent movement. Side hooks hang droppers and test tube clamps, and the top tray can hold reagent kits, achieving integrated storage of vessels, drugs, and tools. When conducting classroom group experiments, teachers can prepare materials in advance according to the groups, and students can start by pushing them to the experimental table to improve classroom efficiency and ensure safety and cleanliness.