Soft pastel colors, gentle nursery rhymes, plush toys, baby-proofed furniture, rounded edges, non-toxic materials, secure storage, electrical outlet covers, anti-scald faucets, soft flooring, natural wood cribs, calm ambiance, warm lighting, cozy reading nook, comfortable glider, serene atmosphere, baby monitoring systems, emergency exit routes, smoke detectors, carbon monoxide alarms, temperature control, air purification systems, hypoallergenic fabrics, noise reduction materials.