A balance board trainer is some kind of lever that looks like a see-saw. It is best for people seeking to work out and acquire the perfect balance. Balance board trainers are the best when it comes to musical training, athletic training, balance training, recreation, or general personal development. It helps people to build core strength, neuromuscular integration, coordination, sports performance. In our review/buying guide, we mentioned that a balance board trainer might also be called a wobble board.