Diy barvni tiskalnik
Gelsonlab HSTM-067 Izobraževalne naravoslovne igrače DIY barvni tiskalnik
Diy barvni tiskalnik 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)