Amazon offers Prime members the BOOMco. Twisted Spinner Blaster in Red, model no. CJJ04, for $6.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $6.57.) That's $4 under our December mention and the lowest total price we've seen. (It's a current low by $8.) It features a 70-foot firing distance, rotating barrel, and eight extra darts.