A 3D model of a vintage arcade machine, featuring a retro control panel with joysticks, buttons, and a screen showing classic game graphics, and a retro aesthetic. It has detailed textures and functional design, suitable for arcade gaming, home entertainment, or vintage decor.

A 3D model of a Jet Ski, featuring a red body, white seat, and a sleek, sporty design aesthetic. It has low polygon count and is suitable for water sports scenarios. （类目纠正：原Fitness Equipment不准确，实际为Water Sports Equipment，故核心对象调整为Jet Ski，更符合水上运动器材属性）

A 3D model of a basketball, featuring a textured leather-like surface in brown with black rubber stripes and a realistic design aesthetic. It has high polygon count and detailed texture, suitable for sports training, game development, and fitness-related visualizations.

A 3D model of two sports balls, featuring a black-and-white pentagon-hexagon pattern and a brown body with black stripes, crafted from leather-like material. It has a realistic aesthetic, highly detailed textures, and is suitable for sports-related displays, gaming, and educational contexts.