Diy түсті принтер
Gelsonlab HSTM-067 Education Science Toys DIY түрлі-түсті принтері
Diy түсті принтер uses the printing method of red and blue copy paper, and completes the printing experiment by roller, tracing pen, cartoon paper, cartoon film and other tools. Understand the development history of printing in China (engraving printing - movable type printing - cylinder printing)