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A 3D model of a vintage-style children's toy car, featuring retro blue body, red wheels, and metal frame, with a classic, playful design. It has detailed, low-poly technical traits and is suitable for kids' play and decorative display. （说明：纠正类目为"vintage-style children's toy car"，符合图片内容，非"Accessories"；包含核心对象、材质特征、风格、技术特点及适用场景，60词内。）

A 3D model of a cute cartoon duck plush toy, featuring a round, vibrant design with black eyes, red cheeks, and yellow beak/feet, and a child-friendly, playful aesthetic. It has low-poly details for smooth rendering and is suitable for children's play and room decoration.

This backpack features a white base adorned with a striking green leafy pattern, offering 217744 polygons suitable for school and everyday casual wear.

A 3D model of a fantasy guardian creature, featuring a green textured body, crystal head adornments, and holding an Earth model. It has a dreamy, surreal aesthetic, is highly detailed, 3D-rendered, suitable for children's fantasy toys or decorative display.