JUMP BOARD BALL: is the fantastic flexible freestyle pogo that can be used on pavement or grass. POGO JUMPER BALL:features a rugged stretchable chord that tethers the handle to the durable high bounce ball. Manufacturered by LINZI. THE TETHERED CHORD AND BOUNCE BALL:work together to produce high energy rebounds and great control and maneuverability. HEALTHY; Get your little ones off the sofa and bouncing their way to a healthier life; our bouncing pogo ball for kids burns calories and improves gross motor skills. BOUNCING BALL:will jump and spin on the pavement and on grass.