ATC via Amazon offers Prime members the ANNT Rotating Disco LED RGB Stage Light for $11.59. Coupon code "CUSBYD5G" cuts it to $7.53. With free shipping, that's $22 off and the lowest total price we could find. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.40.) It features different colors and a strobe setting. Deal ends March 14.