A green painted wooden panel with named examples of the various forms of ICI explosive and detonator types. There are six wooden practice explosives with paper covers and five detonators with copper wire leads. There is a seventh explosive cartridge mounted at the bottom of the panel, cut in cross section to reveal how a detonator is inserted. There are 18 white plastic plates giving brief descriptions of the objects. The manufacturer's plate reads "IMPERIAL CHEMICAL INDUSTRIES LIMITED / ICI".