Yes. Their hands are not fully developed.
I did not make this image. If you know who to credit, let me know. :)
Learning without fear keeps curiosity alive.
The short answer is: maybe.
I have a B.A. in Secondary Education. I homeschool. Unschool, actually. You don't have to. I love the topic of learning. Remember the goal: kids who grow up to be people who thrive, however that works for them and for your family.