The aquatic world is full of mysteries of amazing vistas of nature. Buy underwater treasure puzzles with sea animals and dolphinsto immerse yourself in the world of the sea. The 1000 pieces underwater treasure jigsaw puzzles from Brain Tree Games are an incredible blend of the toughest raw materials with cutting-edge droplet technology that gives them an authentic anti-glare effect. The puzzles have a thickness of 1.75 mm and are quite robust. Their superior build makes them ideal for both children and adults searching for a challenge.