Each sold separately Oral Care Set 4 Stage System - 5 Piece Tooth and Gum Care Set By Nuby The Nûby Oral Care Set promotes the early development of good dental hygiene. The soft materials and bristles are designed especially with a child in mind. The result of this special attention to detail is a product you and your child can use with ease. The first stage allows parents to brush and massage gums gently, while the second massages and helps gently clean as teeth begin to erupt. The third stage massages and cleans during the teething process. Ask your doctor or dentist about when to switch to the soft nylon brush (stage 4) once teeth begin to grow fully in. The stage 4 bristle design provides a smooth transition. All Nûby products are made of safe, durable materials. Suitable for ages: 0+ months.