Stokke Tripp Trapp chair is designed for every stage of childhood, right up to adulthood. A classic Scandinavian product, the Tripp Trapp Chair, can be converted to a sophisticated highchair perfect for babies from 6 months to 36 months with accessories as follows: 1. Baby set: ergonomic back and side support for your child. 2. Harness: 5-point harness ensuring your child is secure