The Underwater Puzzle is a swimming and diving pool toy. Add a new twist to your summer pool fun with the Underwater Puzzle. It's sure to make a big splash at your next pool party. Consisting of 12 weighted, interlocking pieces, this puzzle can be tossed into the pool for underwater fun. Kids can work together or compete to see who can complete it faster. It's also ideal for little ones to use in a kiddie pool or bath tub. Suitable for ages 3 and up. Adult supervision should always be enforced in the case of children. Includes a convenient mesh carry bag with straps for easy transport. The completed puzzle is 18" X 24".