Amazon: $9 Sing-a-ma-jigs This post may contain affiliate links. Please see the full disclosure policy here. Posted on March 2, 2011 Written by Mary Leave a Comment Amazon has Sing-A-Ma-Jigs priced at ONLY $9 today and they ship FREE with Amazon Prime or Amazon mom! Remember, Amazon prices can change at anytime, so don’t wait on these! thanks Super Coupon Lady!