We all have them, early finishers. What can we do to keep them engaged, learning, and not disrupting the class? Give them something to do that is fun and stimulating, of course!
Here's an activity to add to your arsenal that will keep them learning and they can do it without any supplies, while staying at their desk. What could be better?
They will find things around the classroom just using their observational skills.
Best of all, they can start and stop without any intervention from you.