The Gro-egg is a unique colour-changing nursery thermometer that provides safety reassurance at a glance, reminding you to change the baby’s bedding, clothing or adjust the room temperature if required -making it a nursery essential for new parents. If parents are using the Grobag baby sleep bag, the Gro-egg is the perfect partner, helping to highlight which tog to use. The Gro-egg also works as a gentle night light, offering enough light to check on your baby in a darkened room.