The LEGO ONE PIECE Battle at Arlong Park (75638) building set is designed for builders ages 9 and up, featuring a detailed recreation of the iconic showdown from the ONE PIECE series. The set includes five minifigures: Luffy with arm-lengthening pieces, Nami, Usopp, Arlong, and Chu, allowing kids to recreate battles from the Straw Hat Pirates' adventures. Interactive play features include a pagoda tower with an exploding function activated by tapping the top, a shooting gallery for target practice, and a throne for Arlong. Authentic details include three "Wanted" posters, Usopp's ketchup bottle, a drink shack, and Arlong's shark-themed headquarters. When fully assembled, the pagoda stands over 11 inches (29 cm) high, 6 inches (16 cm) wide, and 4 inches (10 cm) deep. The LEGO Builder app provides 3D instructions and progress tracking for an easier building experience. This set is suited for fans of ONE PIECE, anime, and action figures, making it a fitting gift for birthdays or other occasions.