Line Challenging Difficult Jigsaw Puzzle 1000 Pieces

Black Line Puzzle: These impossible puzzles for adults feature irregular lines which enjoy single color. The hard puzzles are great to challenge for most people.   3-Layer Thicken Cardboard: The edges of each piece are neatly cut and easy to clip firmly. You would love the touch of puzzles as they feel of premium quality. Challenge Yourself: The hard puzzle is a 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 a sealed plastic bag and thick package box. Please be careful to keep the pieces when puzzling. If you find any missing pieces, please feel free to contact us. What You Get: Difficult puzzles for adults, a pretty poster and a solid box. SPECIFICATIONMaterial: Three-layer cardboardItem Weight 1.26 poundsSuitable age: 12 years old and abovePackage Included:👇1*Line Challenging Difficult Jigsa