Single pencil HB2 with eraser
'This object is possibly known by everyone as a childhood symbol. There are several versions of it, accordingly to the manufacturer’s nationality. And this one is ours, the Portuguese version. Curiously, it continues to be produced with the original machine, even with the same flaws. The multiplication table pencil is a tool that helps the process of memorization, it plays an important role in the individual’s structured knowledge, because although we live in an era in which is important to know how to find the information, knowledge itself remains important, like knowing how to do mental calculations.'