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A 3D model of various sports balls, featuring realistic leather textures and distinct patterns with a clean, minimal aesthetic. It has highly detailed 3D geometry and is suitable for sports-related visualizations, educational materials, or product showcases. (注：原类目Fitness Equipment不准确，实际为Sports Equipment)

A modern electronic dartboard designed with a classic numbered playing surface, integrated digital scoring display, and 500000 polygons for detailed rendering.

This modern dumbbell set features polished metal weights and black grips, designed for home gyms and fitness areas, containing 500000 polygons.

A 3D model of parallel bars, featuring wooden bars and black metal frames, with a minimalist functional aesthetic. It has highly detailed realistic textures and is suitable for strength training and gymnastics practice.