Hidden StoryDid you find it There is a story hidden in the irregular puzzle for adults, you can read it on the details page below! The amazing Birthday puzzles and challenging iq puzzles will bring more happiness and common topics when you and your family and friends are puzzled, entertained, and decompressed Tight CollageThe mold has smooth cutting edges without barbs and is rigorously assembled. After the birthday cake puzzle is completed, the entire jigsaw puzzle can be picked up. You can assemble it repeatedly. Can you find it There are some special puzzle piece hidden in irregular puzzles for adults. Material and CraftsmanshipImported professional blue card material cardboard, stiff and textured. Printed with soybean ink, safe and environmentally friendly, heat-resistant and friction-resistant. The surface of jigsaw puzzles for adults is embossed. The pattern is not easy to fall off, more textured. The double-sided paper mounting process increases the hardness by 15 percent . Size:327x419mm. A single-piece puzzle is 2.6x2.6cm (1"x1"). The thickness is about 0.3cm (0.12"), which can be easily picked up by the elderly. Gifts and TipsThe irregularly shaped jigsaw puzzles for adults have a high-definition poster. Our jigsaw puzzles for men, women, teens, can be used as Christmas puzzle gifts, birthday gifts, Valentine's Day gifts, Mother's Day gifts, Father's Day gifts, New Year gifts, beautiful and creative gift puzzles for families, friends, lovers. The package does not include a stand, felt board, glue, or puzzle frame. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.