A 3D model of an inflatable boat, featuring red and black inflatable material with oars, seat, and steering wheel, and a sleek functional design. It has lightweight, foldable technical features, suitable for recreational boating, fishing, or leisure activities. （说明：原类目Fitness Equipment不准确，识别为水上运动器材Inflatable Boat，按要求格式描述其核心特征、材料、设计风格、技术特点及适用场景。）

A 3D model of a billiard cue rack (Billiards Accessories), featuring dark wood, carved decorations, billiard cues, and balls, with a traditional, ornate design. It has a multi-tiered structure and is suitable for home game rooms or bars.

A 3D model of an exercise ball, featuring a round, brownish shape and minimalist design. It has a low polygon count, suitable for core training and fitness workouts.

A 3D model of a Pool Table, featuring a green felt surface, dark wooden frame, cues, and billiard balls, with a classic traditional aesthetic. It has high detail and is suitable for home entertainment and leisure activities.