he NUK Cooling Teething Ring Set, which is suitable for children aged 3-12 months, offers twice the relief during teething. It features 2 x interconnecting rings; a cooling ring that can be chilled in the fridge to provide a gentle massage for sore gums and a firmer ring that intensively massages your child's gums. As well as providing relief during teething, the different colours, surfaces and interconnecting design of the NUK cooling teething ring set helps to stimulate learnin