Mathematical instrument geometry set in a handy retro tin. 12 piece set contains pencil, 15 cm clear plastic ruler, alphabet and number stencils, lab instrument stencil, metal divider compass, 180° protractor, 45°set square, 60° set square, sharpener, eraser and useful fact sheets. Everything a student needs! CAUTION! Not suitable for children under 6+ years. Choking Hazard. This item contains small parts, and a sharp points. H2cm X W 8cm X L 18 cm.