Amazon offers Prime members the Playskool Friends My Little Pony Pinkie Pie Party Popper, model no. B1647, for $7.42 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, shipping costs $7.25.) That's a $5 drop from two weeks ago and the lowest total price we've seen. (It's the best now by $13.) It includes four balls that randomly pop out and sound effects.