Mermaids and pirates alike will love the Play Day Treasure Hunter Dive Pack Set. This set helps to teach and strengthen underwater swimming and diving skills. The diving game begins once the treasure chest sinks to the bottom of the pool! See how many coins and gems you can gather at each dive using the diving bag to collect your treasure. This 30-piece set includes one sunken treasure chest, one diving bag, three dive jewels and 25 treasure coins.