4U PLUS [kof-020]
4U PLUS<115g>
[kof-020]
Selling Price: US$28.00
Weight: 115g
Stock:9
The main problem is to pack the four pieces flat inside a square frame, as with the original puzzle 4U.
Unlike 4U, this version has the other side of the frame, which you can play extra problems.
package size: 180*190*7mm
designed by Kohfuh Satoh, 2021
released from Kofth, 2021