Many Bible Digs use the construction of lapbooks as their primary activity. For those that don't know much about lapbooks, here is some great introductory material.
These videos can help with an understanding of what lapbooks are and some ideas on how they can be constructed.
This one is a good intro to the general concept, along with some ideas:
This one is a fantastic help on some methods for making lapbooks:
Here's an outside website with GREAT lapbook templates.
Blank Lapbook Flap
A little something I cooked up for the kids' lapbook stuff we did at church over the past school year. BTW: I highly recommend an exacto knife and cardstock.