Megaphone

https://cdn.growtopiawiki.com/uploads/8/8f/ItemSprites.png NPC Trading
Buy 1 of this item from https://cdn.growtopiawiki.com/uploads/8/8f/ItemSprites.png Locke The Salesman for https://cdn.growtopiawiki.com/uploads/8/8f/ItemSprites.png World Lock (x25).
"Wanna get the word out, but you don't got the gems? How about one of my trusty Megaphones? For one low low price, you'll get the power to blast out a message to every Growtopian playing! For legal reasons I have to point out that Megaphones only work one time each. But what a time, boy howdy! You can't pass that up, can you? Stock up today, I won't be back for a couple weeks!"

https://cdn.growtopiawiki.com/uploads/8/8f/ItemSprites.png Growtopia Store
Purchase the Megaphone for 10 https://cdn.growtopiawiki.com/uploads/8/8f/ItemSprites.png in the Growtopia Store.
"You like broadcasting message, but you're not so big on spending gems? Buy a Megaphone with Growtokens! Each Megaphone can be used once to send a super broadcast to all players in the game."
Every purchase will give 1 item.

The Megaphone is an consumable that allows players to send a super-broadcast without paying gems. As of the Systems Update, players can buy it from the store for 10 Growtokens.

Trivia

One Megaphones are also given from the purchase of the It's Rainin' Gems bundle.
As of the Systems Update, players can buy a Megaphone for 10 Growtokens.
As of Valentine's Week 2018, the Megaphone was increased from 20 World Locks to 25 World Locks.