tripp trapp baby set from stokke, soft mint - convert the tripp trapp chair into high chair - removable seat + harness for 6-36 months - compatible with tripp trapp models after may 2006 stokke designed with safety in mind! even your littlest one can join the family table with the tripp trapp chair. specially designed for children 6 months to 3 years the baby set securely and comfortably brings your child to the table.