The letters on the back help you finish the puzzle.
The package includes: The HD hard puzzles for adults 1000 pieces and up(Size after finished: 26.6*26.6 in), a puzzle reference and a box sturdy enough.
Paisley mandala: All petals of the mandala of same shapes but of the different color. Rich colors make the impossible puzzle more challenging.
Materials&Technology: The difficult puzzles for adults are made of 3-layer white cardboard and printed of the finest ink. High-precision cutting machine ensures that each piece of challenging puzzles for adults interlocks tight.
Wonderful decor: The round puzzle can be admired by your family for years if you frame the impossible puzzle as wall decor.
Missing piece support: Please be careful to keep the puzzle pieces in place. Don't hesitate to let us know if you have any missing pieces.