How to Build Working Gears from Junkmail and Cardstock

Step 4 Make all the cuts

Using the Exacto-Knife (with a decently sharp blade), cut any solid lines inside the gear first, then cut everything out of the cardstock. On the inside, make sure you pop out any of the inner tabs as they will be hard to get to after you start putting everything together.

You should now have both sides of the gear cut out, now lets get to construction!