Our other instructable for hollow horns was very wordy. So here's a different and easy method using Crayola Model Magic. Although there are eleven steps, there is not much reading :-)
Cost: about $25.
This method results in horns that are just as light, but definitely not as strong as the ones in our previous 'able. Painting these horns with foam glue, or a mix of foam glue and PVA glue, will make them a little stronger. Keep them short; no longer than these. If you want long horns with more than one curl, try our other instructable.
We make our horns hollow all the way through, because we like messing about with installing lights into them. Happy Halloween!
Step 1: Supplies
Twisted plant support (it's hollow).
Cheap plastic packaging tape.
a few small rubber bands.
a long piece of elastic, about 1cm or just under 1/2 an inch wide.
Wirecutters or a hacksaw.
Step 2: Cut the plant support to size.
Step 3: Wrap the plant support in packaging tape.
Graduate it so that it's thicker at the bottom, and tapers off to nothing at the top.
Step 4: Wrap plant support in cooking paper.
Wrap a long, unbroken strip of cooking paper around the plant support, over the top of the packaging tape. Overlap heaps. Don't leave any gaps.
Hold the cooking paper in place by putting small rubber bands at the top and bottom.
Step 5: Roll Model Magic into a long cylinder.
Roll it into a long cylinder. The one in the photo came out too long. I had to double it over and re-roll it.
Step 6: Flatten the cylinder.
Flatten the cylinder with a rolling pin or similar. Don't roll it too thin. The thinner it is, the weaker it will be.