Dive into adventure with these MasterPieces 15' x 21' 500-piece hidden image glow-in-the-dark puzzles. They showcase stunning ocean and wildlife scenes filled with special hidden animals and objects. Some glow in the dark, while others cleverly blend into the background. Join a beautiful mermaid and her marine friends as they explore a pearl treasure trove on the ocean floor. Relax and enjoy this peaceful underwater view while uncovering all the secrets in these highly entertaining puzzles. And the best part? The chipboard is made from recycled material, helping to protect our environment.

To start using this puzzle, first, clear a flat surface where you can work comfortably. Empty the pieces onto the surface and start sorting them by color or edge pieces. Begin connecting the edge pieces to form the frame of the puzzle. Then, start looking for sections with similar colors or patterns to gradually build up the picture. As you find the hidden animals or objects, some may glow in the dark, so try looking at the puzzle in a dimly lit room to see the special effect. When you're done with the puzzle, you can carefully store it in the box it came in. To keep it in good condition, avoid bending or creasing the pieces. If the pieces get dirty, you can gently wipe them with a soft, dry cloth. Have fun solving this amazing puzzle and discovering all the secrets hidden within!