Alphonse Buclay, General Music Educator (verified owner)–
These are great to supplement any lessons with boom whackers and provide differentiated materials. My only gripe with these is quality control. At least 1 of the balls from each set did not work. It appears that the metal “reed” will not make noise if it is not completely flush to the plastic. I bought 6 sets and about 8 of the balls simply don’t make noise. I will be attempting to fix these myself.
Alphonse Buclay, General Music Educator (verified owner) –
These are great to supplement any lessons with boom whackers and provide differentiated materials. My only gripe with these is quality control. At least 1 of the balls from each set did not work. It appears that the metal “reed” will not make noise if it is not completely flush to the plastic. I bought 6 sets and about 8 of the balls simply don’t make noise. I will be attempting to fix these myself.