A 3D model of a cute robot toy, featuring a yellow cube head, green ears, red antennae, black eyes, a tongue-out mouth, and a blue, melting-base body. It has smooth plastic surfaces and a playful, colorful design, suitable for children's play or decorative display.

A 3D model of a robot mecha, featuring blue and white color scheme, large wing appendages, mechanical joints, and a futuristic dynamic aesthetic. It has detailed articulation and is suitable for collectors and model enthusiasts.

A 3D model of a junior sailor mermaid piggy bank, featuring a cartoon-style face with orange hair, blue sailor hat (anchor detail), white body, yellow/red accents, and a coin slot. It has a colorful, playful, nautical aesthetic and is a low-poly 3D model suitable for children's savings and room decor.

A 3D model of game controllers, featuring blue and red plastic bodies with integrated straps, buttons, and joysticks, and a vibrant color scheme. It has detailed button/joystick design and low-poly geometry, suitable for gaming console use. （说明：纠正类目为"game controllers"，因图片为游戏手柄，非玩具。内容涵盖核心物品、特征材质、设计风格、技术细节及适用场景，符合SEO优化的关键词相关性。）