The pirate treasure chest that comes with this set is made of high-quality, durable plastic, ensuring that it remains mold-free and crack-free even if dropped or exposed to the elements. It is perfect for easy storage and transport, allowing you to carry all your sparkling gems in one convenient box. The bright colors of the gems make them easy to spot, even in the water, and kids will enjoy the ease of finding them during their pool adventures. The sturdy treasure chest also adds an extra element of fun with its vintage pirate theme. Simply toss the sparkling gems into the pool and watch as they sink to the bottom. Kids can then dive in to collect them, creating an exciting underwater challenge. This fun activity not only provides endless entertainment but also helps improve diving and swimming skills. It’s an engaging and educational way to encourage physical activity and water safety while having fun in the pool. With this set, you'll have all the ingredients for a memorable and exciting summer full of fun, treasure hunts, and underwater adventures! | Joyfy | | 16 Pcs Diving Pool Toys, Colorful Diamond Gems with Pirate Treasure Chest, Swimming Dive Toy Kids Underwater Adventure | Best Buy