chinese chess magnetic high-grade folding chessboard adult primary school student teaching portable puzzle solid wood magnet chess

[portable folding-magnetic adsorption-portable folding]]

[magnetic chess] medium/25 * 25cm (book + box) [magnetic chess] large/29 * 29cm (book + box) [magnetic chess] extra large/32 * 32cm (book + box) [magnetic chess] small size/20 * 20cm (entry book) [chess + five-in-a-row] 29 * 29cm (book + box + bag) [chess + go] 29 * 29cm (book + box + bag) [solid wood] non-magnetic type/no brush calculation