Sonic Blaster, 1966 The Mattel Agent Zero M Sonic Blaster 5530 fires compressed air with a deafening blast. Our measurements top out at 157 dB--above a level that can do permanent damage to the hearing of an adult. We rate the toy Not Acceptable.
My father was a scientist and loved to share science "toys". This was one is still one of my favorites. http://scientificsonline.com/product.asp?pn=3060082&cm_mmc=Mercent-_-Google-_-NULL-_-3060082&mr:trackingCode=776F1735-DB81-DE11-8C0A-000423C27502&mr:referralID=NA