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A 3D model of colorful alphabet and number building blocks, featuring soft, child-safe plastic, vibrant colors, and educational letters/numbers. It has detailed clean edges, a playful, colorful aesthetic, suitable for toddler play, educational activities, or decorative display.

A decorative book set with varied colorful spines and text details, suitable for a study or living room shelf, featuring 3905 polygons.

This children's backpack features blue and navy colors with a fun space theme, suitable for a child's room or playroom, containing 17478 polygons.

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。）