For most people martial arts, karate, tae kwon do, judo etc are interchangeable terms. Truth is, they are all very different. There is no 'best' martial art. Some are better for fitness, some better for self defense, some for sport. The best martial art is the one you enjoy doing.
What we at Foundry hope is that our students, young and old, will enjoy their training and learn skills that will serve them for a lifetime. Whether it's a child gaining confidence and time away from screens or an adult getting a workout and having fun doing it.
With that said, here are two sample videos of the type of thing we do. One is a group I worked with in the past and one is a great primer on what jiu jitsu is and why it's great for kids.