Don't limit what they can offer due to the fact that they don't have many supplies to work with. You can even consider offering them craft supplies such as glue and glitter, cotton, ribbon, and other items that can all become a part of the Spongebob coloring pages they are completing.
There really is no excuse for your children to be bored during the winter months. With the advent of the Internet parents have more resources at the tip of the fingers than ever before. Make sure to monitor the younger children's Internet usage as you search for activities for them to engage in. If you are at a loss of where to start why not do a search for winter coloring pages and let them put their artistic talents to good use.
You can also select pictures based on festivals or special occasions depending upon your religion or culture. For example, one can easily find pictures on Christmas, Thanksgiving or Halloween for their kids. Apart from being a fun filled activity they also help kids develop their knowledge about these festivals. So, free printable coloring pages for kids is a very effective and cheap way to engage your children in a fruit filling activity that will not just be fun but will also help develop their motor skills like hand - eye coordination. All you need to do is go to some websites and start printing.