Beneficial activity: Working on jigsaw puzzles and focusing on the same image for longer periods can actually turn out more like meditations and induce a certain calmness and peace in the mind. And solving jigsaw puzzle plays a very important role in improving brain functions and sharpening your memory. （frameless）Jigsaw puzzles Size: The size of 1000 Piece Puzzles is 75x50cm (29,5 "x19,5"). The size of 500 Piece Puzzles is 52cmx38cm (20,5 "x14,5"). The size of 300 Piece Puzzles is 38cmx26cm (14,5 "x10,5"). It doesn't require much space to put together. Material: The Glossy Finish Brings the Scene to Life.Our Puzzles for are 1.8mm Thick,Bend-Resistant,and Sturdy Enough that You Can Move Entire Sections of the Adult Puzzles by Simply Tugging at a Single Piece.Our Jigsaw Puzzles for are Made to Last. Benefits Of Jigsaw Puzzles: Improve hand-eye coordination and develop problem-solving skills, logical thinking and patience ability; A great way to connect with family members and friends to develop a closer relationship; A great Meditation tool and stress reliever. Make it memorable: building this jigsaw puzzles together can become a new family tradition, jigsaw or frame it and turn this piece into a permanent work of art to add to your décor in your cabin. Perfect gift idea: Puzzle is one of the magical games that never go out of style, promotes hand-eye coordination intellectual game for adults and kids jigsaw puzzle - can give you more opportunities to communicate with and enchance the relationship to your kids it can exercise logical ability sensory coordination ability judgment and patience. Complete the puzzle and restore the beautiful pictures it is a game to expand your brain capacity strengthen eye-hand imagination coordination. This is good choice for birthday and christmas etc gifts.