Liquid Ink Rollerball Pens, GXR 12 PCS 0.5mm Extra Fine Point Pens, Quick-Drying Ink Rolling Ball Pens, Black Liquid Ink Pen for Office, Home, Company, School : Amazon.co.uk: Stationery & Office Supplies
G1691722 - Classmates Gel Rollerball Pen - Blue - Pack of 10 | GLS Educational Supplies
White 300mm plastic triangular scale ruler - Tufftrade