Jupiter Try-Out-Box, Set of Test Mouthpieces, These test mouthpieces for wind instruments offer ""the smallest instrument carousel in the world"", and are developed on traditional instrument making techniques. They are the ideal tool for potential music students to perform their first attempts at blowing., Easy to use in online trainings, Hygienic, 100% waterproof and dishwasher safe, Versatile and promotes creativity, For orchestra, music schools, music teachers, and music making in the home, Simple and robust, Cost effective@+*Set comprises:*@+@+, Mouthpiece for brass instruments (trumpet and trombone/baritone), Headpiece for reed instruments with plastic reeds, Instruction manual@+@+ *Note:* The mouthpieces only fit Nuvo instruments