The crayons are 10 mm thick and 68 mm long

Both nibs is flat-cut calligraphy nibs which makes this pen kind of unique at the market

pigmented dye ink that changes its appearance depending on the color of the paper

This set includes 12 basic colors

ballograf rondo soft mechanical pencil 0 7 mm Ballograf Rondo:Red The crayons are 10 mmThe Ballograf Rondo Soft Mechanical Pencil 0. 7 mm combines timeless design with a smooth, comfortable writing experience. With its rounded body and ergonomic shape, it sits perfectly in your hand, making it ideal for everyday use. The spring click mechanism protects the lead from breaking and ensures a soft, pleasant writing flow. Available in multiple colors, it pairs beautifully with the Rondo ballpoint pen for a coordinated set. Designed to last a