A space-themed bedsheet print design for kids' bedding can be an exciting and imaginative choice. Picture a bedsheet adorned with colorful illustrations of planets, stars, rockets, and astronauts, all set against a deep, dark background resembling the vastness of outer space. 

The design can be playful yet educational, sparking curiosity about the universe and space exploration. Incorporating glow-in-the-dark elements or metallic accents can further enhance the magical ambiance of the bedroom, making bedtime an adventure for young explorers.