Employee stock options are like a special prize that grown-ups sometimes get when they work really hard at their job. Imagine you help your mom clean up the house every day for a month, and she gives you a special toy as a reward. That's kind of like what happens when a grown-up gets employee stock options.
Here's how it works: Let's say you work at a big company like a toy factory. Your boss likes the work you're doing, and wants to give you a special treat to say thank you. Instead of giving you a toy, your boss gives you something called a "stock option."
A stock option is like a little key that lets you buy a piece of the toy factory. When you use the key, it unlocks a special door that lets you buy some of the company's stock (which is like a little piece of ownership in the company). You can't use the key right away - you have to wait for a while, like a few months or years, to use it.
But when the time comes and you finally get to use your key, you get to buy a little piece of the toy factory for less money than other people have to pay. So, if the toy factory is doing really well and lots of people want to buy its stock, you get to buy in for a very good price. If the toy factory isn't doing so well, you might not want to buy in after all.
When you have a stock option, you get to decide whether or not to use your key and buy stock in the toy factory. You don't have to use it if you don't want to - it's up to you. But if you think the toy factory is going to grow and become more valuable, you might want to use your key and buy some stock while it's still cheap.
Overall, employee stock options are like a very special toy for grownups who work really hard. It's a way for a company to say thank you, and a way for employees to participate in the growth and success of the company they work for.