Rock Bazooka

Introduction: Rock Bazooka

Ever wanted to shoot rocks in your own backyard with only a few balloons and a nerd's tube? Well you've found the right instructable! Let's get started.


- Balloons 2x
- Packaging tape
- Rubber band
- Duct tape
- Plywood
- Nerds tube (or any candy tube)
- Some rocks (or any small object)

Step 1: Video

Here's video that explains the same things as in this instructable.

Step 2: Cutting the Metal

Use a regular pocket knife and cut the metal. Start in one part and then rotate it around. Save it because you'll need it later.

Step 3: Balloons

Find two balloons and cut them pretty low. Lower than in the picture.

Step 4: Shooting Mechanism

Put the cap in the two balloons and put it in one side of the tube. Then fasten with tape and a rubber band. After done, take out cap through top.

Step 5: Add Handle

Cut a handle, and connect with tape.

Step 6: Duct Tape

Cover with duct tape, it should look pretty cool at this point.

Step 7: Finishing Touches

Add a jar sealer on the top and any other cool looking stuff you want. Make it your own.

Be the First to Share


    • Crafts For Kids Challenge

      Crafts For Kids Challenge
    • Baking Contest

      Baking Contest
    • Cold Challenge

      Cold Challenge



    Question 2 years ago

    Thanks for sharing. How far will it fire a projectile?


    Answer 2 years ago

    You're welcome! I would say about 50 ft, at least.