A little mushroom house that glows from the windows and breathes a quiet mist out of the roof. It is a night light that happens to fix the air in a nursery.

• 300ml tank — about 4 hours continuous, 8 hours intermittent.

• Genuinely silent at 2.5W. It will not wake anyone.

• Rechargeable 2000mAh — no cord across the floor.

• Pink, blue or purple, 5 inches tall.

Nurseries, kids' rooms, and desks belonging to adults who will not admit they wanted it.