Nostalgia Electrics OFP-501 Vintage Collection Hot Air Popcorn Maker for $15.00. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for your reference. Alternatively, it is available at Walmart for $15.00 with in-store pickup. It is It uses hot air to pop 3.5 ounces of popcorn kernels at a time. Most places have this hot air popcorn maker for about $29.