Simply Fit Board

The Simply Fit Board is a curved balance board you stand on and twist to work your core, legs, and balance in a small space at home. It was invented by Linda Clark and her daughter Gloria Hoffman, a mother-and-daughter team who wanted a simple, low-impact way to exercise that did not require a gym or complicated equipment. The appeal was a single inexpensive product that delivered a quick workout in the living room.

The pair pitched in Season 7 asking for one hundred twenty-five thousand dollars for 15 percent. Their on-stage demonstration of the twisting motion made the product instantly easy to understand, and Lori Greiner, a master of mass-market retail and television selling, recognized it as a natural QVC item. Greiner made the deal at one hundred twenty-five thousand dollars for a 20 percent stake.

The Simply Fit Board stood out because it was simple, visual, and cheap, exactly the kind of impulse-friendly product that thrives on television. Greiner's retail instincts turned a straightforward balance board into a viral fitness item, and the live demo translated perfectly to home-shopping audiences hungry for an easy at-home workout.

The launch was explosive. Greiner brought the board to QVC right after the episode aired and it sold out fast, and the product went on to move well over a million units. It became one of the show's strongest sellers, reaching very large lifetime sales and ranking among the highest-grossing products ever featured on Shark Tank during its peak years.

By the mid-2020s the brand's visibility had faded considerably. The original company presence dropped off and active promotion slowed, though the boards still surface through third-party marketplace and resale listings. The product does not appear to have been formally discontinued, but it is no longer the heavily marketed fitness phenomenon it was in the years right after the show.