Safe Material : Every Puzzle is proudly manufactured from premium quality wood materials. It is smooth with vivid color, waterproof ,environmentally friendly, non-toxic and odorless, durable and practical.All of the corners of these puzzles are excellent processed, without sharp corners.Parent-Child Game : These puzzles for kids are also used to hand-eye coordination, fine motor skills, problem solving, shape recognition, memory, and task completion. It keeps your children away from mobile phones and attracted by this difficult but interesting jigsaw puzzles.Classic Jigsaw Puzzle : 500 pieces jigsaw puzzles with a variety of patterns to choose from. The size of the finished puzzles is 15" x 20.5"/38*52 cm. Tips: after finish the puzzle, you can frame it and use it as a home decoration.Great Gift Idea : A perfect Gift for Wife, Husband, Mom, Dad, Girlfriend, Boyfriend, yourself ,relatives and friends or someone special. Makes A Perfect Choice For Christmas/Xmas Gift, Children'S Day Gift, Bridal Gift, Mothers Day Gift, Anniversary Gift, Fathers Day Gift, Birthday Present, Holiday Gift Etc.Accompany Yourself : Jigsaw puzzle can stimulate your imagination, judgment and patience. Improve memory skill, delay dementia and Alzheimer¡¯s.You can exercise your patience, care,concentration, perseverance, observation, intelligence, etc.