What is a Boomwhacker? Well Wikipedia describes it as "a lightweight, hollow, color-coded, plastic tube, tuned to a musical pitch by length." What can it do? Some pretty awesome things in the right hands. Used as a type of percussion instrument, many tubes can make some beautiful music like "Bohemian Rhapsody" as done by the musical group HarvardTHUD. Don't let the cowboy hats fool you, they flat out rock this cover of Queen's masterpiece. Check the video out below.