The ergonomic design of the TurboLid makes it simple for children to hold onto the harmonica properly, giving them a sense of ease when learning to play. TurboLids are bonded together to prevent children from playing with the reeds. Package includes a booklet containing 'first lesson' for beginners. Available in the key of C in one eye-catching color combination: blue body with half translucent lemon and half translucent red raspberry TurboLids. Also check out Voggy's harmonica lesson book--great for children 5 and older!