The LEGO Minecraft 21598 Underwater Adventure Set is a complete set with 310 pieces, featuring Guardian Dolphin Diver and other Minecraft characters. This set is part of the LEGO Minecraft subtheme, catering to fans of fantasy and underwater adventures. Manufactured in 2026, this plastic building toy appeals to children aged 8 and above who enjoy creating imaginative underwater worlds. The set is new and unopened, making it a perfect gift for LEGO and Minecraft enthusiasts alike.