Amazon offers Prime members the Crane Ultrasonic Adorable Cool Mist Humidifier
in Penguin, model no. EE-865-FFP, for $22.70
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $10.20.) That's the lowest total price we could find by $17, although we saw it for a buck less last week. It can humidify a room of 250 square-feet for 24 hours.