I found this in my closet while cleaning it out. No one knows what it is

🕰️ A Brief History

First patented in the early 1900s, the rattlesnake prank became wildly popular in the 1930s–1950s.

Sold in joke shops, magic stores, and even by mail-order catalogs, it was the original “jump scare.”

Often used by kids on siblings, coworkers on April Fools’ Day, or pranksters sending “mysterious” mail.

Fun fact: Vintage versions were sometimes called “snake-in-the-box” or “envelope jacks.”

⚠️ Is It Safe?

Yes—when used responsibly. The device is made of light-gauge wire and rubber, so it startles but doesn’t injure. However:

Avoid using it on people with heart conditions, anxiety disorders, or young children—the shock can be more than just a laugh.

Never use it in official-looking envelopes (e.g., mimicking bills or legal mail)—it could cause real distress.

🧩 How to Make Your Own (Simple DIY)