Imagine cleaning out an old drawer and finding a strange object made from wire, a rubber band, and a metal washer. At first, it looks like a broken household item or a forgotten craft project.
In many cases, it may actually be a classic novelty toy known as a “Rattlesnake Envelope Prank.”
What Is the Rattlesnake Envelope Prank?
Despite its name, it has nothing to do with real snakes.
The prank consists of a small spring-loaded mechanism designed to surprise someone when they open an envelope.
The idea is simple:
- The device is compressed and folded flat.
- It is placed inside an envelope.
- When the envelope is opened, the tension is released.
- The wire springs outward suddenly.
The unexpected movement often startles the recipient, creating a harmless practical joke.
How It Works
The mechanism typically uses:
- Bent wire
- A rubber band
- A small weight or washer
When compressed, potential energy is stored in the wire and rubber band.
Opening the envelope releases that energy, causing the device to jump outward.
The effect is less about danger and more about surprise.
A Popular Practical Joke Before the Internet
Long before online pranks and viral videos, people entertained themselves with novelty items like:
- Whoopee cushions
- Fake insects
- Trick gum
- Exploding greeting cards
- Rattlesnake envelope devices
These products were often sold in:
- Joke shops
- Magic stores
- Mail-order novelty catalogs
Historical Popularity
The rattlesnake envelope prank became especially popular during the mid-20th century.
Prank enthusiasts used them:
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