... the following kinds:1. Manual jigsaw puzzle machine: MDK-320 (A5), MDK-490 (A4), MDK-630 (A3).2. Electric ... jigsaw puzzle machine: MDK-490, MDK-630, MDK-770, ... model for your choice.3. The jigsaw puzzle machine of the above models are computer-designed structure, ... Magnetic-----Feel new color of life! Manual puzzle machine,A3 size puzzle making machine