What You Get: Difficult puzzles for adults, a pretty poster and a solid box
Black Line Puzzle: These impossible puzzles for adults feature irregular lines which enjoy single color. The hard puzzles are great challenge for most people
3-Layer Thicken Cardboard: The edges of each piece is neatly cut and easy to clip firmly. You would love the touch of puzzles as they feel of premium capability
Challenge Yourself: The hard puzzle is challenging job which is a good way to expand brain capacity and cultivate thinking ability. You will get a sense of achievement if you can finish the hard puzzles for adults 1000 pieces and up
Missing Piece Support: The puzzle is packed in sealed plastic bag and thick package box. Please be careful to keep the pieces when puzzling. Don't hesitate to let us know if you have any missing pieces