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.
This is the first place your kids can have fun. By letting them choose their pictures they will enjoy having the choice. Children like to feel they are big enough to make decisions and that their desires have an impact on the world, so let them browse the available pictures until they are happy.
Spongebob is a well loved character that both children and adults recognize. Add some holiday fun by printing out coloring pages of this individual as well as his cast of fun characters. There are many such coloring pages that feature Spongebob in a Santa hat, decorating the tree, with presents, and much more. Children will be very excited when they see all of these different activities taking place in the coloring pages.