The puzzle looks it is impossible to fit in any more pieces to the the square. However, the challenge is to fit in the extra piece (with the Mensa logo) in to the square. It is possible, but needs a total rearrengement of all the other pieces. Best of luck!
Packaging & instructions with languages FI, SV, EN, ET, LV, LT. Additional bonus questions only in English also included.
Package 2,5 x 14,8 x 18,1 cm.