Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Wobble Board * The new Thera-Band? Rocker and Wobble Boards combine an aggressive anti-slip base design with a sensory stimulation surface to offer a new performance level to balance training * The Rocker Board moves forward and backward while the Wobble Board has a rounded bottom that moves in all directions * Both are made from lightweight molded plastic * Wobble Board: 16 1/8" diameter *