The Instant Igloo.

This is the winter-weather structure that inflates in two minutes and accommodates four children, instantly providing shelter for snowball-fights, "capture the flag," and other winter activities. The substantial fort measures 7' x 6', and is crafted from durable, crack-resistant PVC vinyl for years of rigorous use. It includes two clear surveillance windows, two inflatable snow shields, and two detachable flags, as well as a hidden emergency escape hatch for stealthy exits. AC-powered pump available below. Repair kit included. Ages 4 and up. 5' H x 7' W x 6' D. (26 lbs.)