Gadget of the week: Egg that’s really a thermometer

The Gro-egg Thermometer, available from
The Gro-egg Thermometer, available from
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Gro-Egg thermometer: Whether it’s peak summer and the air is humid, or the depths of winter and you can see your breath, whatever the weather’s like outdoors, inside your baby’s room should be between 16 and 20C.

This mains-powered “egg” will help you keep tabs on this. It glows different colours depending on the temperature. If it’s blue (below 15C) it’s too cold, if yellow you’re in the perfect category, if it’s orange it’s a little too warm (20-24C), while if it’s red it’s definitely too hot (24C and above). £14.99, from