Jigsaw Puzzles 100 Pieces Finished Size: 15 x 10 inches /38.1 x 25.4 cm (Not including frame), the back of puzzles is blank, you can write something after finished.These jigsaw pieces are crafted with eco-friendly cardboard, and has also been produced to the high standard to maintain the vivid colors. Durable, vibrant and easy to pick up and place, for small and large hands and levels of dexterity.Put together jigsaw puzzles. Jigsaw puzzles quiet the mind and induce a state of creative meditation. They tap into our creativity and rewire our brains to make "connections"100 piece jigsaw puzzle is considered not only as a toy but also an excellent gift (Birthday, Graduation,Thanksgiving, Valentine's day, Anniversary celebration, Christmas etc.)Recommended for 14 years old and above.