How to Make a Vortex Cannon
Want to turn yourself into a real life Ironman? Well, now you can! Except using cardboard, not iron. But cardboard is cool!
You will need
- Sticky tape- A bowl- Scissors- Ping-pong ball- Rubber bands- A plastic bag- Some help from an adult!

Step 1
Draw a circle on the box and cut it out

Step 2
Cut off the opposite end of the box

Step 3
Place the bag inside the box and tape it down so it's airtight

Step 4
Secure the ping-pong ball with rubber bands from the other side of the bag

Step 5
Mark the depth of the bag on the outside of the box

Make a small hole on both sides

Step 6
Loop a few rubber bands together. Poke one end through. Secure the rubber band on one side. Wrap the rubber band around the ping-pong ball and secure the rubber band on the other side.

Pull back the ping-pong ball to fire!

CANNON!

