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Sound off like a Semi! These noisemakers are perfect for sporting events and parties. The effect is similar to the air horn on a semi or a train. Ever...
Hot melt glue gun, X-acto knife, Drill press or Drill, Forstner or Spade bits
Rubber Bands, Latex Balloons, Plastic Plumbing "tee" (from Lowes, Home Depot, Menards, about $2.00), Prescription pill bottles
You need to make a tube in a tube. We have used many different materials for the tubes, including pvc pipe, film canisters and chapstick tubes. The ...
Drill a hole in the bottom of each bottle. The inner tube needs to fit snugly into the outer tube. In our example, the outer bottle used a 1&1/2" Fo...
Make a smaller hole for the "tee" in the upper 1/2 of the larger outer tubes. Be sure to make your matching holes at the same level if you want the t...
Time to start putting it all together. Run a bead of hot melt glue, caulk, or epoxy if you wish, around the seam of the inner and outer tubes. Set t...
Insert the "tee" into the side hole and run a bead of hot melt glue around it. Do the same thing to the other side and you are almost done.
Stretch a cut balloon over the top and secure with a rubber band. Pull the balloon as tight as possible for the loudest sound. A looser balloon will...
Don't forget, you should customize your horn! Use team colors for your balloons, add stickers, write with a Sharpie and add a lanyard to hang around ...
In response to questions about how this works, I have included a cut away diagram. The air enters on the side of the outer tube, travels up under the...
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