One activity Anna and I love to do together is origami. The projects you can do range in skill level and there are lots of great online resources to help you make the different origami shapes.
I find it easiest to use You Tube on my ipad and we watch video tutorials that show us step by step instructions. Here are some good ones:
origami dog If you have any Japanese dollar stores near you (like Daiso) you can pick up really gorgeous packs of origami paper like this:
But any paper will do! Plain paper is good as you can encourage your kids to decorate their origami once they've made their shapes.