A must-see, or you'll regret it! Don't blow! Don't blow! Don't blow! You can't make it sound just by blowing! How can you make it sound? 1. Bite the flute and completely cover the mouth of the flute with your mouth 2. Make a "dudududu" sound 3. Use force and make a loud "dudu" sound Note: Strictly follow the above steps, bite and cover the flute, and make sure to use force to make the sound Unleash Musical Joy Anywhere with Our Professional-Grade Kazoo Instrument!Engineered with precision-tuned resonance chambers, these aluminum kazoos for adults produce richer harmonics than plastic alternatives. Perfect as birthday return gifts, classroom instruments, or camping kazoos for outdoor singalongs. Adventure-Ready Kit Includes: ✓ 6 rust-proof metal kazoos (4.7" multipack) ✓ 60 premium replacement membranes Music Teachers – Teaching Supplies for classroom activities Event Planners – Unique wedding favors or party blowers Parents – Screen-free musical instruments Outdoor Enthusiasts – Portable kazoos bulk pack for campfire funBacked – Hum with happiness