Did you know, you can use common bubble wrap as insulation for windows? I had heard of this bubble wrap trick to save energy before, but had never actually gotten around to trying it. Not for every window, but just an idea to consider.
Bubble Wrap Rain Craft - This is such a cute rainy day craft with such a fun process that toddlers, preschool, prek, kindergarten, and first grade kids are going to love to make this craft for kids! Perfect spring activities for kids.