The best hook to grab the attention of 10 to 14-year-olds would be:
"Math class. The dinner table. Your little brother’s T-ball game. What if I told you that you could make all of these places much more exciting with a simple piece of paper?"
This hook engages the audience by connecting to familiar settings and hints at the fun and excitement that can come from making a paper airplane, making it relatable and intriguing.