The template for this project is right here. It is a two page pdf.

This is a fast and easy project you can make with just a few materials. And it's a powerful little catapult.

The youtube video is right here:

Materials and tools:

• About a square foot of corrugated cardboard
• Tape or hot glue gun
• Knife to cut cardboard with
• 1 Rubber band
• A length of round wood for the axle. This can be a paintbrush, a dowel, barbecue skewer or a chopstick.