Step into the Enchanted Forest.
The good king has no heirs and is calling on you.
Cinderellas glass slipper, Aladdins lamp, Puss boots, the Emperors crown
13 magical surprises are hidden under the trees in the enchanted forest.
Find the once upon a time treasures, remember where they are, and you inherit the kingdom.
Use hundred when there is a specific number, and use hundreds when you don't know or can't count how many. This rule also applies to thousand/thousands and million/millions. This skeleton is thousands of years old. This skeleton is three thousand years old.
When saying numbers, always use the singular form:
250 = Two hundred and fifty
Two hundreds and fifty
7,812 = Seven thousand, eight hundred and twelve
Seven thousands, eight hundreds and twelve
$10,000,000 = Ten million dollars
Ten millions of dollars