Make a new system of home delivery.
How can you control things around you from anywhere with custom-defined gestures.
Use modern tools to make successful websites
Make a robot that will help travel easier
Make your own handwritting a font, learn to use a template to make something personal
Make a set of stickers with a common theme
If you can write you can make a bot
Read about founders of companies and their journey of failure and success.
Make an indoor farm garden that is different from the norm.