11.3 cm x 9.8 cm x 0.8 cm / 4.5 in x 3.9 in x 0.3 in
Cardboard Display Box
Puzzle designer Vladimir Krasnoukov has applied his world renowned engineering skills to create three exceptional Packing Problem puzzles. There seems to be no space to add the extra piece but by re-arranging, perhaps you can make them all fit in..
The objective is to add the orange triangle into the large triangular opening in the frame along with all the rest of the pieces. If you solve it, all pieces will fit nicely without any force required!