Transform the empty bright room into a lively and colorful children’s bedroom. Paint the walls in cheerful teal and orange tones, and add colorful rugs in red, yellow, and blue. Furnish the space with a small wooden bed featuring floral-patterned bedding, a cozy armchair, a bookshelf, and several playful toys. Decorate the walls with star and sun shapes, and add potted plants to bring warmth and life to the room. Keep the large windows and bright daylight to enhance the joyful, creative atmosphere.