A 3D model of a Chess Set, featuring black and white pieces on a marble-textured board with classic design. It has high detail and a timeless, elegant aesthetic, suitable for gameplay, decoration, and education.

A 3D model of a rainbow-shaped abacus, featuring colorful wooden beads and a wooden base, with a playful, minimalist aesthetic. It has movable beads for counting and smooth edges, suitable for children's educational play.

A 3D model of a scalloped trim, featuring light beige color and a scalloped top edge, with a cute, minimalist aesthetic. It has low polygon count and is suitable for children's accessories like hairbands or clothing trim.

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。）