The LEGO Creator 3 in 1 Sunken Treasure Mission (31130) set is perfect for kids aged 8 and up who love the excitement of underwater adventures. With three different build-and-play experiences to choose from, kids can explore the depths of the ocean with a giant posable octopus toy, a submarine, a diver, a coral reef, a safe with gold bars and gems, and more! This 522-piece building toy set is perfect for LEGO fans who want a creative and rewarding building experience. With interactive digital building instructions available on smartphones and tablets, kids can easily visualize the model as they build. The submarine toy is highly portable, with a size of over 3 in. (8 cm) high, 4.5 in. (12 cm) long and 4 in. (10 cm) wide, making it easy for kids to take it wherever their imagination takes them. All LEGO sets are rigorously tested to meet child-safety standards, so parents can be sure their kids are playing safely while they explore the world under the sea.