Mobile storage and organization for your Makerspace, STEM or STEAM (Science, Technology, Engineering, Art, and Math) supplies! The cabinet front features three shelves that are proportioned to accommodate three shallow Gratnell trays on the top, three medium Gratnell trays in the middle and three large Gratnell trays on the bottom [all trays and three interchangeable fitted lids included]. The back side of the cabinet features top-to-bottom pegboard, a big vertical pocket shelf at the bottom to store large papers and taller items or containers, and an accessory package that includes 10 J-hooks, 5 plastic trays and 5 spring clips to hold and organize tools and supplies. A dry erase marker board sign atop the cabinet announces project themes or cart contents. Mounted on non-marking heavy duty locking casters for easy mobility, even when fully loaded.