CelestialSphere Star Projector

The CelestialSphere turns a plain ceiling into a night sky. Inside the matte orb sits a high-definition projector that throws a dense field of stars and slow-drifting nebula colour across the ceiling and walls, filling a whole room rather than casting the small, blotchy patch cheaper projectors manage. The effect is genuinely calming, which is why these end up in bedrooms far more often than in party rooms.

Two versions are offered. The Essential covers the core starfield and colour wash and is the sensible pick for a bedside table or a child's room. The 4K Ultra HD model sharpens the star points considerably and deepens the colour layering, which shows most on a high or textured ceiling and in larger living spaces.

The orb itself is deliberately plain — a smooth sphere in black or white that reads as an object rather than a gadget when it is switched off. Brightness and colour modes are adjustable so it can run as a full display or dim right down as a sleep light. Adult supervision is recommended when used in a child's room, and the projector should be positioned out of reach.

• Type: LED star and nebula projector
• Versions: Essential or 4K Ultra HD
• Colours: black or white matte orb
• Adjustable brightness and colour modes
• Coverage: full ceiling and wall projection
• Best for: bedrooms, living rooms, children's rooms (with supervision)